Climate finance has been a major sticking point in negotiations for a global warming deal at Paris.
Ed Miliband, the climate change secretary, said that recent moves by India, China and other developing nations had improved the chances of a comprehensive global warming deal at Copenhagen.
Senior officials and negotiators are increasingly gloomy about the prospects for a global warming deal next month, with the British government admitting there is now no chance of a legally binding treaty.
Rich countries are very, very far from raising the billions they promised to help poor countries fight climate change, jeopardising the prospects of reaching a global warming deal at Paris, the world's rising economies warned.
But speaking at the conference, Hillary Clinton, the US secretary of state, warned developing countries that the finances would only flow if their leaders signed up to a strong global warming deal at the summit.
The US sought to use Obama's visit, and a foreign ministers' meeting in Anchorage, to press for stronger action on climate change, shepherding a declaration in support of a global warming deal to be negotiated at Paris later this year.
Since then, Obama has taken initial action on all 75 of the goals set out in the plan to cut carbon pollution, prepare the US for climate change, and help reach a global warming deal, according to an analysis by the Center for Climate and Energy Solutions (C2ES).
Paris - COP21: President Barack Obama won standing applause at COP21 when he stated that parts of the global warming deal being negotiated in Paris should be legally binding on the countries that sign on.
Rudd faces a daunting to-do list, not least helping to secure a strong deal on global warming at a UN summit in Paris in December.
We have precious little time to deal with global warming before global warming deals with us.
