Topic: Yvo de Boer

UN climate chief resigns

Yvo de Boer, executive secretary of the United Nations Framework Convention on Climate Change (UNFCCC), steps down, effective July 1.

Copenhagen accord: 'essential beginning' to some, shaky foundation to others

Participants approved a Copenhagen accord that sets out emissions-control objectives, sets a target of less than 2 degrees for global warming, and pledges $30 billion in aid to developing countries. The pact is not legally binding.

At Copenhagen, many global warming issues likely to be unresolved

As the Copenhagen global warming talks head into their final days, observers say many climate change issues are likely to be left unresolved.

Copenhagen global warming draft points to hard bargaining ahead

A draft pact for a global warming treaty released Friday in Copenhagen would commit the US to significant emissions cuts by 2020 and draw developing nations into an agreement for the first time.

Climate change talks: What to look for at Copenhagen

The Copenhagen climate change talks kicked off on Monday. A Q&A on the key areas that will define success or failure.

Clock ticking as Copenhagen global climate change summit begins

The Copenhagen global climate change summit began Monday with new urgency for a deal, and eyes on China and the US.

At climate talks, US to offer 17 percent emissions cut by 2020

From a 2005 baseline, a 17 percent emissions cut would fall short of what's needed to keep global warming to 3.6 degrees F. But it may reflect most that US Senate would OK from climate talks.

Copenhagen climate change talks stall as CO2 emissions rise

The Copenhagen summit on climate change is looking less likely to produce a binding CO2 emissions reduction agreement as a new study finds that global carbon dioxide emissions increased 29 percent in the past nine years.

Agreement on climate change looks unlikely ahead of Copenhagen

A European Union agreement last week was short on specifics. US commitments on reductions may not be forthcoming, making Chinese commitments also unlikely.

UN climate talks: rich and poor countries spar on their roles

With little agreement at the Bangkok UN climate meeting of 180 nations, the agenda for the crucial December Copenhagen conference is still up for heated debate.

Greenland's Helheim glacier: a melting mystery

Scientists say the Greenland ice sheet is losing about 7 billion cubic feet of ice a year. Now, they are just finally beginning to uncover some reasons why its been shrinking.

A global warming summit of good intentions

UN officials say it gave fresh momentum to upcoming talks for a new climate change treaty. But many unresolved issues remain.

UN climate change summit awaits word from heavyweights US and China

China is due to unveil a new proposal at the gathering Tuesday, but its plans to cut "carbon intensity" rather than limit emissions may not satisfy US lawmakers.

UN summit: Can Obama meet expectations on climate change?

Obama pledged to tackle global warming in his presidential campaign. Now the world waits to see if he takes a leadership role at a climate change meeting at the UN Tuesday.

World's next big climate pact begins to take shape

This week, negotiators from 182 countries meet in Bonn, Germany to lay the groundwork for a post-Kyoto climate regime.

Climate talks over: What's next?

Optimism fading for Poland climate talks

Hopes of laying a solid foundation for a post-Kyoto climate pact in 2009 are diminishing, as representatives from 189 nations gathered in Poznań, Poland, squabble over financing methods.

UN defends carbon-trading scheme from US criticism

The UN's top climate official defended a global trading scheme to reduce greenhouse gas emissions after the US government released a report questioning its efficacy.

Building trust tops global climate agenda

Talks start Monday in Poland for a post-Kyoto climate treaty.

Financial crisis threatens climate-change momentum

Experts fear the credit crunch will discourage governments worldwide from turning to taxpayers for assistance in climate-change efforts.

Bangkok talks to set timetable on global-warming pact

By December 2009, binding greenhouse-gas emissions policies will be set for developing countries.

Bangkok talks to set timetable on global-warming pact

By December 2009, binding greenhouse-gas emissions policies will be set for developing countries.