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IPCC chair warns 'little time' to limit temperature rise

The scientific case for prioritising action on climate change was clearer than ever, the chairman of the Intergovernmental Panel on Climate Change (IPCC) told a conference, after a new UN report was published.

We have little time before the window of opportunity to stay within 2C of warming closes.

To keep a good chance of staying below 2C, and at manageable costs, our emissions should drop by 40% to 70% globally between 2010 and 2050, falling to zero or below by 2100.

We have that opportunity, and the choice is in our hands.

– Rajendra Pachauri, chairman of the IPCC

UN climate report: Fossil fuels 'should be phased out by 2100'

UN climate report: Fossil fuels 'should be phased out by 2100' Credit: Jan Woitas/DPA/Press Association Images

Power generated from fossil fuels should be phased out completely by 2100 a new report has warned.

The United Nations climate body published the final report of its latest assessment on the science of climate change, drawing together three studies published in the past year.

In the majority of low?concentration stabilization scenarios, the share of low?carbon electricity supply (comprising renewable energy (RE), nuclear and Carbon Capture Schemes (CCS), including BECCS) increases from the current share of approximately 30% to more than 80% by 2050, and fossil fuel power generation without CCS is phased out almost entirely by 2100.

– Intergovernmental Panel on Climate Change (IPCC) report

The report comes as efforts build towards securing a new global treaty on climate change, which it is hoped can be agreed in Paris at the end of next year, and it said that international co-operation was "critical" for effective efforts to tackle the problem.

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Leaders under pressure over climate change promises

Protesters took to the streets of New York again this evening, as world leaders prepare to fly in for a summit on climate change.

Organisers say this meeting - and next year's in Paris - will be different and insist promises made will be kept. ITV News' Science Correspondent Alok Jha reports:

Greenpeace calls for more than 'a sticking-plaster deal'

Greenpeace UK has said world leaders should aim for more than "just another sticking-plaster deal" on climate change.

Executive director John Sauven said: "Never has a generation of world leaders stood a better chance of clinching a global climate deal.

Greenpeace UK said the Prime Minister has 'the opportunity to argue' for change. Credit: Reuters

"This time there's enough momentum to aim for something better than just another sticking-plaster deal with a short shelf life.

"David Cameron now has the opportunity to argue for a similar system that can drive a global countdown towards zero emissions - he should seize it with both hands."

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Environmental groups call for 'ambitious' climate deal

A coalition of environmental groups and charities have set out what they want to see from a global climate deal.

The group, including Greenpeace, WWF, the RSPB and Christian Aid, said an international agreement should include ambitious plans by countries for taking action both before and after 2020.

The environmental groups have urged David Cameron to push others to follow the UK's example. Credit: Reuters

It should also provide a clear legal framework for delivering and monitoring greenhouse gas emissions cuts.

An agreement, which backers want to see signed at the end of 2015, establish a framework with rolling commitments to reduce emissions and support efforts to adapt to a changing climate, they added.

UK urged to push for an international climate deal

David Cameron should push other leaders to follow the UK's lead in setting a series of targets to drive down climate emissions, environmental groups have urged.

Environmental groups said David Cameron should use the momentum building ahead of a climate summit in New York later this month Credit: Reuters

A new international climate deal, which backers want to see signed at the end of 2015, should follow the example of the UK's Climate Change Act, which includes a series of five-year "carbon budgets" for reducing greenhouse gases over time, they said.

They stressed that the Prime Minister should use the momentum building ahead of a climate summit in New York later this month to push for a strong international deal in 2015.

Climate change rainfall warning

car makes its way along a flooded road in Seaham during flooding in 2012. Credit: Owen Humphreys/PA Archive

Short, sharp downpours could become an increasingly unwanted characteristic of the British summer if the effects of global warming are to continue, experts have warned.

A landmark study by the Met Office and Newcastle University has identified how climate change could result in heavier summer rainfall, which in turn could increase the risk of flash flooding.

White House issues stark warning on climate change

The White House has called for urgent action to mitigate the affects of climate change, in its third National Climate Assessment.

This picture, showing the snow on the Sierra Nevada mountain range is said to be one of the images prompting the urgent tone of the report. Credit: NASA/NOAA

It its starkest warning to date, the Obama administration said the effects of climate change are already being felt, and already costing money. The report said:

"Climate change, once considered an issue for a distant future, has moved firmly into the present."

The report has be called a "game changer" as it details, for the first time, the predicted effects on different regions: Residents in the northeast coast could face bigger storm surges and flooding, whilst the southwest of the country is likely to confront more wildfires and severe water shortages.

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