NASA scientist links climate change, extreme weatherupdated August 5, 2012
What do the 2010 heat wave in Russia, last year's Texas drought, and the 2003 heat wave in Europe have in common?
Jagger urges leaders to 'Plant a Pledge' to plug emissions gap updated June 22, 2012
"We are reaching the tipping point and the tipping point according to most scientists will be in less than 10 years. We don't have much time," says human rights and environmental campaigner, Bianca Jagger.
Photographer's images of global warming updated May 4, 2012
Photographer Roger Moukarzel's exhibition showcases his work highlighting the effects of global warming in Sweden.
Mountain countries seek to unite, air concerns about climate changeupdated April 6, 2012
Mountain countries from around the world are seeking a common voice in global climate change negotiations to draw attention to the vulnerabilities of mountain areas.
Climate scientists and smear campaignsupdated March 28, 2012
Imagine you are sitting in your office simply doing your job and a nasty e-mail pops into your inbox accusing you of being a fraud. You go online and find that some bloggers have written virulent posts about you. That night, you're at home with your family watching the news and a talking head is lambasting you by name. Later, a powerful politician demands all your e-mails from your former employer.
Canada: First out of a sinking Kyoto ship?updated December 13, 2011
For Canada, the cost of either meeting its commitments under the Kyoto Protocol, or failing to do so, was too much to bear.
China shifts carbon emissions position updated December 11, 2011
China is open to accept a legally binding global agreement to reduce carbon emissions. CNN's Robyn Curnow explains.
Delegates at climate talks agree to extend efforts of Kyoto Protocol updated December 11, 2011
An agreement reached Sunday in South Africa will help tackle the challenges of climate change for years to come, the United Nations' chief said.
Climate change a 'hot button issue' updated December 5, 2011
Todd Stern talks to CNN's Robyn Curnow about the politicalization of climate change in the U.S.
Seeking a solution to global warming updated November 29, 2011
CNN's Robyn Curnow reports from the 17th U.N. Climate Change Summit in Durban, South Africa.
Could big cities lead the fight against climate change?updated November 28, 2011
They are the world's cultural capitals, the nerve centers of innovation and the engine rooms of economic growth, but could cities also hold the key to cutting carbon emissions long-term?
New e-mail leak from UK climate research centerupdated November 23, 2011
A second batch of e-mails thought to originate from the UK research unit involved in the "Climategate" controversy in 2009 has been posted on the Internet.
New climate study deals blow to skeptics updated October 21, 2011
An independent study of global temperature records has reaffirmed previous conclusions by climate scientists that global warming is real.