Court: Nurse in prank call found hanging by co-workers

An undated family photograph of Jacintha Saldanha, the Indian-origin nurse who died after being hoaxed by an Australian radio show trying to reach Prince William's wife in London, is shown to journalists in Shirva town, some 400 kilometres (250 miles) from the southern Indian city of Bangalore, on December 8, 2012.

STORY HIGHLIGHTS

• The nurse's body was formally identified by her husband, the inquest hears


• Australia's media watchdog opens an investigation into the prank call by 2Day FM


• Court: Jacintha Saldanha was found by co-workers hanging from a scarf


• The nurse left three notes, two of them at the scene, a police officer says

London (CNN) -- A nurse who took a prank call from an Australian radio station apparently hanged herself using a scarf, but her reasons for pursuing that tragic course remain unclear.

Jacintha Saldanha was found last Friday by work colleagues hanging from a wardrobe door at her hospital living quarters, a coroner's court in London heard Thursday.

The nurse, who was married with two teenaged children, left three notes, two at the scene and a third with her belongings, Westminster Coroner's Court heard.

The content of the notes was not disclosed.

Read more: Who was Jacintha Saldanha?

There were also "some injuries to her wrist," Detective Chief Inspector James Harman said.

The nurse put through the prank call December 4 to a nurse on the ward where Prince William's wife, Catherine, was being treated for acute morning sickness.

Some details of her condition were given to the radio DJs, who impersonated Prince Charles and Queen Elizabeth II.

The details around the circumstances of Saldanha's death emerged as an inquest -- a proceeding usually held in Britain when a death is sudden, unexplained or violent -- was opened.

The coroner's court was told that Saldanha's body was formally identified Tuesday by her husband, Benedict Barboza.

Police are looking at e-mails and telephone records, Harman said, and will speak to Saldanha's friends and co-workers about what could have led to her death.

At this time there are no suspicious circumstances, he said.

Police will also be in touch with Australian police to find out what would be the best way of gathering evidence, Harman said. This could involve either going to Australia or collecting evidence remotely.

Saldanha, whose tragic death triggered wide public anger against the radio station involved, Sydney-based 2Day FM, was represented at the coroner's court by co-workers from the hospital.

The Australian Communications and Media Authority, the country's media watchdog, on Thursday opened a formal investigation into 2Day FM's broadcast of the prank call.

"The ACMA will be examining whether the licensee has complied with its broadcasting obligations," said chairman Chris Chapman.

The station's owner, media network Southern Cross Austereo, pledged Tuesday to donate at least 500,000 Australian dollars (US$524,000) to a fund for the nurse's family.

It lifted a moratorium on advertising Thursday, with all profits to the end of the year to go to the fund.

The 46-year-old nurse, who moved to the UK from India a decade ago, had worked at King Edward VII's Hospital, where Catherine was being treated, for the past four years

The coroner adjourned the inquest until a provisional date of March 26.

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In cautionary move, Europe centralizes bank oversight

BRUSSELSEuropean Union finance ministers reached an agreement early Thursday to create a single supervisor for their banks - one of the most significant transfers of authority from national governments to regional authorities since the creation of the euro currency.

Under the deal, banks with more than $39 billion in assets supervised or those that represent a significant proportion of their national economies will be placed under the oversight of the European Central Bank.

The deal gives the ECB broad powers, including the ability to grant and withdraw banking licenses, investigate institutions, and financially sanction banks that don't follow the rules.

But perhaps most important is that it paves the way for Europe's rescue fund to directly rescue the continent's troubled banks.

"It's real progress that opens up interesting possibilities," said French Finance Minister Pierre Moscovici, without giving a specific date for when the first banks could seek direct aid.

That step is crucial because weak banks remain at the core of Europe's financial problems. Many are teetering on the brink of bankruptcy after the investments they made up in boom times plummeted in value. Some governments have stepped in to save their banks, only to worsen their own finances in the process.

European leaders want to shield troubled governments from the burden of supporting their banks. That would be a huge relief to countries like Spain, which are facing the prospect of taking on enormous debts - and worrying markets - in order to bail out their banks.

The magnitude of the deal was reflected in the in size of the fight: Concerns ranged from which banks would be covered to how the ECB would manage to insulate its monetary responsibilities from the new powers to how the deal would affect EU countries that chose not to submit their banks to the ECB's oversight.

This last point was a major contention: Countries that don't use the euro worried their voices in the body that creates banking regulation - the European Banking Authority - would be drowned out by the new euro-machine, particularly since countries with other currencies can opt into the supervision.

The EBA sets all of the rules that govern EU banking, and Britain, in particular - a non-euro country with Europe's largest banking sector - was nervous that the new supervision would mean all the banks under the ECB would vote together at the EBA, effectively steamrolling everyone else.

Ministers reached a compromise that ensures that measures can't pass in the EBA without at least some support from countries outside of the ECB's supervision.

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N. Korean Missile Hits Target of Alarming the World

North Korea's successful launch of an intercontinental ballistic missile hit its target: it bolstered the standing of its young tyrant Kim Jong Un and raised the specter of being able to eventually strike the U.S. with a nuclear weapon.

The pride in the success of the launch -- after several failures -- is a huge boost for Kim Jong Un, 29, who took power one year ago. He has been trying to cement his authority and win the hearts of the people with soft social and economic reforms, like allowing women to wear pants or more small businesses to operate based on profit.

But the rocket launch was on a different scale. A North Korean female announcer in a pink and dark grey national costume excitedly read an announcement of the missile's success and national TV aired interviews with people jumping and cheering on the news.

There had been reservations within and outside of North Korea when Kim Jong Un took power after his father's death on Dec. 17 last year as to whether the young Kim could lead a nuclear state. Looking determined at his first official appearance earlier this year, he had pledged to fulfill the legacy of his father Kim Jong Il to become a "self-sufficient strong nation" with space rocket technology.

The missile is believed to have a range of 6,212 miles, enough distance to reach the west coast of the United States. Its existence, along with a small North Korean nuclear arsenal, is an alarming possibility for many.

PHOTOS: An Inside Look At North Korea

North Korea, however, says it was simply putting a satellite in orbit.

"Picking on our launch (and not others) accusing that ours is a long-range missile and a provocative act causing instability comes from seeing us from a hostile point of view," said North Korea's foreign ministry in an official statement. "We do not want this to be overblown into something that none of us intended to be and hope all related nations act with reason and calmness."

But North Korean denials carry little credibility.

This evidence that North Korea has mastered the long-range missile technology does not mean there will be an imminent nuclear threat.

"They haven't figured out how to weaponize a nuclear (bomb) that will fit in a missile, nor do they have accurate guidance at long ranges," said Stephen Ganyard, ABC News consultant and former deputy assistant secretary of state.

Another crucial technology North Korea is yet to achieve is a proper heat shielding required to protect the warhead while re-entering the earth's atmosphere.

"This is a big leap for Pyongyang. They have been a threat with potential capability. But now a new era begins as a threat with possible capability," said Hwee-Rhak Park, professor of political leadership at Kookmin University in Seoul.

There was obvious alarm, however, as the international community condemned the launch, as North Korea is banned from developing nuclear and missile-related technology under U.N. resolutions.

South Korean President Lee Myung-Bak convened an emergency national security meeting. Japan's envoy to the United Nations called for consultations on the launch within the U.N. Security Council. Russian Foreign Ministry said it "has caused us deep regret," and even China "expressed regret," a significant notch up in condemnation from previous statements on North Korea, its traditional ally.

That international attention, analysts in Seoul say, is exactly what North Korea wanted.

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'Robot ecosystem' in sight as apps get a cash boost

APPS aren't just for your smartphone. The one-year-old Robot-App Store got a cash boost this week in the form of $250,000 from the first company dedicated to investing in consumer robotics.

Dmitry Grishin, founder of Grishin Robotics, already spent $250,000 on a telepresent robotics company called Double Robotics in September, and plans to invest a total of $25 million in the field.

Grishin says software like the apps on offer at the Robot-App Store is the key to creating a vibrant market in household robots. "Once you find a cool app, it will help to sell robots." He compares robots to computers. "A good application, like a spreadsheet, helped to sell PCs and to grow the PC market."

One app from the Robot-App Store makes the NAO robot (pictured) whistle and say "Hello, gorgeous" whenever it detects a face. Another allows you to steer the Roomba robotic vacuum cleaner using your keyboard.

No killer app yet perhaps, but Grishin says that will come with the establishment of a "robot ecosystem", in which more developers create apps for a growing pool of consumers, who are in turn encouraged by the number of apps to choose from.

The world of robot software is certainly maturing. The open source Robot Operating System celebrated its fifth birthday in November.

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OPEC sits tight before oil output meeting

VIENNA: OPEC maintained Tuesday its oil demand growth forecasts ahead of a meeting to discuss output levels and pick a new secretary-general for the cartel that pumps out more than a third of the world's crude.

While the Organization of Petroleum Exporting Countries was expected to hold its oil production ceiling at 30 million barrels per day (mbpd) in Vienna on Wednesday, there was uncertainty over who would become the group's new administrative head.

The world's biggest oil exporter Saudi Arabia was battling against Iraq and political foe Iran to succeed Libya's Abdullah El-Badri, who as OPEC secretary-general for the past six years has steered the cartel through the financial crisis.

A vote to pick his successor was postponed in June after OPEC failed to reach the required unanimous decision. Another delay could see El-Badri stay on beyond the maximum of two, three-year terms, analysts said.

The oil ministers of Kuwait and Venezuela were not attending Wednesday's meeting because of political events in their countries, while it was not known if the absences would affect the outcome of the secretary-general vote.

Asked if OPEC would decide on a new secretary-general at the ministerial meeting in Vienna, home to the cartel's headquarters, Saudi Oil Minister Ali al-Naimi simply told reporters: "Maybe."

UAE Energy Minister Mohammad bin Dhaen al-Hamli added: "I hope we will solve this issue tomorrow."

Hamli meanwhile insisted that there was "no need to do anything" over OPEC's current oil production levels. Iran's Oil Minister Rostam Qasemi added to the expectation of there being no change, stating that crude supply and demand was "relatively balanced" and that "prices are okay."

OPEC is said by analysts to be producing about one million oil barrels above its official daily ceiling, as Saudi Arabia compensates for lost Iranian output caused by a Western embargo on the Islamic Republic, and as other nations look to maximise profits while oil prices remain high.

World oil prices rose Tuesday on expectations of fresh stimulus measures from the Federal Reserve to perk up the struggling US economy, traders said, with benchmark Brent North Sea crude adding 70 cents to $108.07 a barrel.

An expected drop in oil demand next year risks dampening crude prices despite a background of Middle Eastern unrest, notably over Iran's disputed nuclear programme.

OPEC on Tuesday kept its forecast for growth in world oil demand unchanged for this year and next. World oil demand was expected to reach 88.80 mbpd in 2012, up from 88.04 mbpd in 2011, the dozen-member cartel said in its monthly report.

Next year, global demand was set to grow to 89.57 mbpd, it forecast.

OPEC, which pumps 35 percent of the world's oil, said much of its demand growth this year came from Japan, which has turned to oil after shutting down nuclear power plants in the wake of the Fukushima disaster in 2011.

Massive power outages in India in the summer also helped growth there, even as members of the OECD club of industrialised nations and China saw weak economic growth that pushed down oil demand.

For 2013, OPEC was more optimistic, citing an improving economy in the United States and a potential return to growth in the eurozone, "although this might prove challenging."

As for oil production, Iran -- OPEC's second largest producer last year after Saudi Arabia -- appeared to be feeling the impact of international economic sanctions imposed over its suspected nuclear weapons drive.

In the third quarter of 2012, after an EU oil embargo took effect on July 1, Iranian crude production sank to 2.73 mbpd, from 3.09 mbpd in the second quarter and 3.39 mbpd in the first, OPEC said citing secondary sources.

-AFP/ac

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Angry with Obama, GOP regroups for next political war

STORY HIGHLIGHTS

• Sen. Graham says President Obama is in for a "rude awakening"


• Graham: "We're not going to raise the debt ceiling" without deficit reduction


• Obama says the nation's credit standing shouldn't be a political issue


• Polls show most Americans back the president on raising taxes on the rich

Washington (CNN) -- They are losing the battle over higher taxes on the wealthy, so now Republicans are threatening a political war next year when it comes time to raise the nation's debt ceiling.

With cracks appearing in their anti-tax facade and polls showing most Americans favoring President Barack Obama's stance in fiscal cliff negotiations, GOP legislators are starting to advocate a tactical retreat to fight another day.

Conservative Sen. Lindsey Graham, R-South Carolina, promised the newly re-elected Obama a "rude awakening" next year if the president forces through his plan for high-income earners to pay more taxes without agreeing to substantive steps to reduce the nation's chronic federal deficits and debt.

"In February or March, you have to raise the debt ceiling," Graham noted Monday on Fox News. "And I can tell you this: there's a hardening on the Republican side. We're not going to raise the debt ceiling. We're not going to let Obama borrow any more money or any American Congress any more money until we fix this country from becoming Greece."

Another GOP senator, Bob Corker of Tennessee, said his side should give Obama the short-term tax plan he seeks and focus next year on spending cuts and reforming entitlement programs including Social Security, Medicare and Medicaid, as well as broader tax reform.

Survey: 70% want compromise

Three weeks remain to cut a deal before the automatic tax hikes and spending cuts of the fiscal cliff go into effect on January 1.

Without a deal during the current lame-duck session of Congress, everyone's taxes go up and economists warn the impact of the fiscal cliff could cause another recession.

However, the administration has signaled it can delay some of the effects to allow time to work out an agreement when a new Congress convenes in January.

Obama has held a campaign-style series of public events to back his call for extending Bush-era tax cuts for 98% of Americans while allowing rates to return to higher 1990s levels on income over $250,000.

The issue was central to his re-election in November and Obama made clear on Monday that he intended to adhere to his belief that the wealthy must contribute more.

"I'm willing to compromise a little bit," Obama said at a Michigan diesel engine plant. However, he said higher tax rates on the the top income brackets was "a principle I'm not going to compromise on."

The president's public push appears to be working as polls show most Americans back the president's position.

A new Politico/George Washington University survey on Monday said 60% of respondents supported Obama's proposal compared to 38% who opposed it, the latest of four surveys in the past two weeks showing public backing.

On Tuesday, a Gallup poll showed that 70% of adult Americans want Congress and the White House to reach a compromise that would avoid the fiscal cliff. A similar Gallup poll last week said 62% wanted compromise.

The deficit reduction debate hinges on the tax issue, with Republicans opposing any increase in tax rates in their quest to shrink government while Obama and Democrats want to secure more tax revenue as part of a broader package.

Both sides call for eliminating tax deductions and loopholes to raise more revenue, but Obama also demands an end to the tax cuts of 2001 and 2003 for the top brackets.

Republicans oppose the return to higher rates, saying it will inhibit job growth because small business owners declare their profits as personal income and therefore would face a tax increase.

In response, Obama and Democrats note that their plan -- already approved by the Senate and needing only House approval to be signed into law by the president -- affects just 2% of taxpayers and 3% of small business owners.

While Republicans argue those small business owners account for about half of all business income, Democrats say that's because they include law firms, hedge funds traders and other high-income operations.

Obama and House Speaker John Boehner met face-to-face on Sunday for the first time since November 16. It also was their first one-on-one meeting in more than a year, when deficit talks broke down.

The outline for a deal has become clear in recent weeks. Both sides agree that more revenue from taxes should be part of the equation, with Obama seeking $1.6 trillion and Republicans offering $800 billion.

A source close to the talks said Tuesday that the White House had floated the idea of dropping the revenue target to $1.2 trillion, then went up to $1.4 trillion on Monday.

Boehner's side wants additional revenue to come from tax reform, such as eliminating some deductions and loopholes, while Obama demands the higher rates on income over $250,000 for families as part of the equation.

Boehner and Republicans also seek savings from entitlement programs totaling another $800 billion or so, while Obama has proposed $400 billion in reduced entitlement costs. Social Security would not be included in the president's plan.

Another sticky issue -- whether the need to raise the federal debt ceiling early next year should be part of the discussion -- also remains unresolved. Obama says absolutely not, while Boehner says that any increase in the federal borrowing limit must be offset by spending cuts.

Graham's comments Monday showed that Republicans plan to regroup around negotiations to raise the debt ceiling, which allows the government to borrow more money to pay its bills.

He noted that Obama proposed making permanent a process originated by Senate Republican leader Mitch McConnell that would allow the president to increase the debt ceiling and Congress to then try to block it -- an unlikely scenario given Democratic control of the Senate.

"That's going nowhere," Graham said, adding: "He's not king. He's president."

It remains unclear if a deal will happen before the end of the year or if the negotiations will carry over into 2013, after the fiscal cliff takes effect.

Without action now on the fiscal cliff, the nonpartisan Tax Policy Center estimates that middle-class families would pay about $2,000 a year more in taxes. Even with a deal, revisions in the tax code and other changes would mean everyone pays a bit more starting next year.

All signs point toward a two-step approach sought by Obama, with initial agreement now on some version of his tax plan with targets set for comprehensive negotiations on a broader deficit reduction deal in the new Congress next year.

Such an outcome would put off the main worry of the fiscal cliff -- expiration of the Bush-era tax cuts that would result in higher rates for everyone.

Obama and Democrats say they would then be ready to negotiate significant savings from entitlement programs, while Republicans say they need to first see commitment on entitlement reforms before accepting any higher tax rates.

Some in Congress warn that the legislative process will need at least a week to work through potentially complex measures from any proposed deal, meaning a de facto deadline of Christmas Day at the very latest exists for negotiators.

At the same time, voices from inside and outside the process say something must happen now.

CNN's Dana Bash and Kevin Liptak contributed to this report.

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Mandela "responding" to treatment for infection

JOHANNESBURG South Africa's former President Nelson Mandela is suffering from a recurring lung infection and is responding to medical treatments, the nation's presidency said Tuesday.

The ailing Mandela, 94, has been hospitalized since Saturday for medical tests at 1 Military Hospital near South Africa's capital, Pretoria.

34 Photos

Nelson Mandela

The announcement ended speculation about what was troubling the ailing anti-apartheid icon. Government officials had declined repeatedly to say what caused the nation's military, responsible for Mandela's care, to hospitalize the leader over the last few days. That caused growing concern in South Africa, a nation of 50 million people that largely reveres Mandela for being the nation's first democratically elected president who sought to bring the country together after centuries of racial division.

The tests Mandela underwent at the hospital detected the lung infection, said presidential spokesman Mac Maharaj in a statement.

"Madiba is receiving appropriate treatment and he is responding to the treatment," Maharaj said, referring to Mandela by his clan name as many do in South Africa in a sign of affection.

In January 2011, Mandela was admitted to a Johannesburg hospital for what officials initially described as tests but what turned out to be an acute respiratory infection. The chaos that followed Mandela's stay at that public hospital, with journalists and the curious surrounding it and entering wards, saw the South African military take charge of his care and the government control the information about his health. In recent days many in the press and public have complained about the lack of concrete details that the government has released about Mandela's condition.

Mandela has had a series of health problems in his life. He contracted tuberculosis during his years in prison and had surgery for an enlarged prostate gland in 1985. In 2001, Mandela underwent seven weeks of radiation therapy for prostate cancer, ultimately beating the disease.

In February, Mandela spent a night in a hospital for a minor diagnostic surgery to determine the cause of an abdominal complaint.

Mandela was a leader in the struggle against racist white rule in South Africa and for preaching reconciliation once he emerged from prison in 1990 after 27 years behind bars. He won South Africa's first truly democratic elections in 1994, serving one five-year term. The Nobel laureate later retired from public life to live in his remote village of Qunu, in the Eastern Cape, and last made a public appearance when his country hosted the 2010 World Cup soccer tournament.

Mandela disengaged himself with the country's politics fairly successfully over the last decade and has grown increasing frail in recent years.

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Royal Hoax: Station to Give $500K to Nurse's Family

The Australian radio station that employed the DJs who prank-called the London hospital where Kate Middleton was being treated has cancelled their show and will donate at least $500,000 to the grieving husband and children of the nurse who took the call and later apparently killed herself.

Australia's 2Day FM released a statement today saying it hopes to "help [Jacintha] Saldanha's family with the support they need at this very difficult time."

After days of suspended advertising, the radio station at the center of a global firestorm announced it will resume airing commercials Thursday. All its profits for the rest of the year will go directly to the family of the unsuspecting nurse at the center of that joke.

The Sydney-based station also issued a company-wide suspension of prank calls after the nurse who initially answered the hospital call was found dead.

Saldanha's husband and two teenage children met with officials at the hospital Monday, and spoke publicly for the first time, although via a member of the British Parliament.

Royal Hospital Hoax: End to Shock-Jock Pranks? Watch Video

Australian DJs Apologize in Wake of Nurse's Suicide Watch Video

"This is a close family," Keith Vaz said. "They are devastated by what has happened. They miss her every moment of every day.

Although radio pranks have been a staple of shock DJs for years, DJs Mel Greig and Michael Christian of Australia's 2Day FM might have crossed the line last week when they pranked the hospital, prompting the question of whether this is the end for radio pranking.

"Entertainers try to use real-life everyday circumstances and try to find humor in them," Radio DJ J Niice of B96 in Chicago, who does regular pranks on his show, told ABC News.

DJ Niice says his station has no intentions of pulling the plug on prank calls because it doesn't need to.

Based on U.S. law, such calls only become problematic when any resulting damage or injury could have been foreseen.

Former Alaska Gov. Sarah Palin was famously pranked while running for vice president by a notorious Montreal-based comedy duo, who pretended to be then-French President Nicolas Sarkozy.

"You know, I see you as a president one day," one of them told Palin, to which she replied with a giggle, "Maybe in eight years.'"

A prank caller even managed to make his way through security to speak to Tony Blair while he was still British prime minister. But it was no laughing matter in 1998 when Opie and Anthony, DJs from a Boston radio station, were fired for telling listeners on April Fools' Day that the city's mayor had died in a car accident.

While the Australian DJs' show has been terminated, it's still unclear whether they will be.

They could face criminal charges if police determine their call was illegally recorded. And the same joke at which they initially laughed is now the reason for their tears.

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Doha summit launches climate damage aid

The latest summit to stop climate change, held in Doha, Qatar, over the past two weeks has been roundly slammed. Little was agreed to curb greenhouse gas emissions and the latest modelling, carried out by the Climate Action Tracker consortium shows global averages temperatures are still set to rise by at least 3 °C above pre-industrial levels.

There was one breakthrough: developing countries won a promise from developed ones that they would compensate them for losses and damage caused by climate change. The deal offers the promise of large amounts of climate aid. But first, science will have to catch up with politics.

All countries will suffer from climate change. There will be consequences even if humanity slashed its emissions and stopped temperatures rising more than 2 °C above pre-industrial levels, the stated goal of the UN negotiations. In actual fact, with emissions rising faster than ever, a 3 or 4 °C rise is likely this century.

The consequences will be manifold. Deserts will spread and lethal heatwaves become more frequent. Changes in rainfall will bring droughts, floods and storms, while rising seas will swamp low-lying areas, obliterating valuable territory. Food production will fall.

Before Doha kicked off, the charities ActionAid, CARE International and WWF released a report arguing that rich countries should compensate poor countries for such damages. Tackling the Limits to Adaptation points out that climate change will cost countries dearly, both economically and in less tangible ways such as the loss of indigenous cultures.

Two-pronged approach

So far, climate negotiations have taken a two-pronged approach to the problem. On the one hand, they have sought to create incentives or imperatives to cut emissions. On the other, they have established a pot of money for poor countries to pay for measures that will help them fend off the unavoidable consequences of climate change – such as sea walls and irrigation systems.

That, according to some, leaves a third element missing. Helping those who suffer the consequences of climate change is a moral obligation and must be part of any treaty on climate change, says Niklas Höhne of renewable energy consultancy Ecofys. The idea of climate compensation has been around since the early 1990s, when the United Nations Framework Convention on Climate Change was negotiated.

In Doha, a coalition including China, the Alliance of Small Island States and the G77 group of developing countries pushed for it to revived.

They proposed a scheme that would decide when countries had suffered climate harms, and compensate them. It would be a form of insurance, and the greatest international aid scheme ever. The idea gained momentum after Typhoon Bopha struck the Philippines last week, and that country's negotiator Naderev "Yeb" Saño broke down in tears during a speech. And, although developed nations had little incentive to agree, the conference concluded with a promise to set something up next year.

Compensation poses a fundamental challenge to climate science, which still struggles to work out if trends and events are caused by greenhouse gases or would have happened anyway. "We can't say that an individual event was caused by climate change," says Nigel Arnell of the University of Reading, UK. "What we can do is say that the chance of it happening was greater."

Systematic tests

Some climatologists are now running systematic tests to decide whether extreme weather events are caused by climate change. They run climate models with and without humanity's emissions. If the odds of a particular event are different, it suggests it was at least partially driven by emissions. By this measure, the 2003 European heatwave and 2011 Texas drought were both made more likely by human emissions.

But this science is in its infancy. We can confidently attribute large-scale trends and temperature changes, says Kevin Trenberth of the National Center for Atmospheric Research in Boulder, Colorado. But changes in rainfall, and short-term events like hurricanes, are harder because we do not really understand them. Trenberth speculates that superstorm Sandy would not have flooded the New York subways without climate change, but says it's not possible to prove.

Arnell says that might prove unworkable. Gradual changes – such as rising sea levels, melting glaciers and ocean acidification – are easy to attribute to climate change but their consequences difficult to cost; sudden events are easy to cost but difficult to attribute.

There may be another possibility. Rather than examining individual events, climate models could predict the extra climate-related costs each country would experience, allowing regular payouts. "That would be a way round it," says Arnell. Delegates at next year's conference will have to consider these questions.

Positive step

Harjeet Singh of ActionAid in New Delhi, India, calls the Doha deal "a positive step forward". But it is only an agreement in principle: no money was committed, and even a promise to do so in the future was left out of the final text. Edward Davey, the UK's secretary of state for energy and climate change, said it was "far too early" to talk about committing money. "We aren't saying there should be compensation," he said.

Singh says the developed world would save money by cutting emissions now, rather than letting temperatures rise and then paying compensation. Small island states were keen to get an agreement on loss and damage because emissions cuts are going so slowly, making dangerous climate change almost certain. The Doha agreement is a first step towards dealing with the consequences of that failure.

On 'other business'

Aside from agreeing to make compensation available for loss and damage, the Doha summit achieved little. Nearly two decades ago, the world's governments set out to agree a binding deal to cut greenhouse gas emissions. Doha included some baby steps towards a deal in 2015, but that is not guaranteed and in any case will come too late to stop dangerous climate change. Only Lebanon and the Dominican Republic made new emissions pledges.

The talks were bogged down in rows over financing. In a deal that was separate to the adaptation fund, developed countries had promised in 2009 to deliver $100 billion a year by 2020 to help poor nations prepare for climate change. Between 2009 and 2012 they allocated $10 billion a year. In Doha they refused to say how they would scale that up, simply promising to "continue" – leaving developing countries unsure if or when they would get more.

The Kyoto protocol was renewed until 2020, but its global effect is likely to be limited. Its value is partly symbolic, to show that binding agreements can be reached, and as one of many small and medium-scale projects to cut emissions.

If you would like to reuse any content from New Scientist, either in print or online, please contact the syndication department first for permission. New Scientist does not own rights to photos, but there are a variety of licensing options available for use of articles and graphics we own the copyright to.

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Security strike hits German airports

BERLIN: Airport security personnel in Germany staged warning strikes on Monday in a dispute over pay, bringing disruption to several German airports and causing dozens of flight cancellations.

Around 1,000 security staff went on strike at airports including Berlin and Frankfurt, Europe's third-busiest, the giant services union Verdi said, although some resumed work shortly afterwards.

A spokesman for Berlin's airports said 42 flights had been cancelled at Tegel Airport but passengers at the capital's other hub, Schoenefeld, experienced only delays.

At Duesseldorf Airport, where the strike lasted six hours, 11 flights were shelved and 45 others were hit with delays of three hours maximum. Cologne Airport was forced to cancel three flights and also experienced delays.

However, there were no cancellations at Frankfurt, according to a spokesman from Fraport, which manages the airport.

Air traffic was also affected by heavy snowfall in several parts of Germany.

Verdi said it called the warning strike over what it said were stuttering negotiations on a collective wage bargaining agreement for its 15,000 members employed as security staff at airports in Germany.

"We want employers to work with us towards a constructive agreement," a Verdi spokesman told AFP.

"Then there will be no need to strike," added the spokesman.

-AFP/ac

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