Exxon research scientists warned about the effects of fossil fuels as early as 1977. Exxon has known about climate change for almost 40 years, despite its efforts to continue to promote fossil fuels and deny its existence throughout the 1990s as a leader of the Global Climate Coalition.

In this video, FlackCheck.org reviews some of the false and misleading claims about climate change that we have written about for FactCheck.org’s SciCheck feature. The topics covered include: “global cooling,” glacier growth in Alaska, the impact of human activity on climate change, the connection b

There is overwhelming evidence that humans are experiencing the effects of climate change, says a new report. Unless serious action is taken, this is likely to get worse, with growing risks of floods, food shortages, and threats to human health, warns the United Nation's Intergovernmental Panel on C...

A United Nations report warns that climate change and global warming are threatening the world's food supply. CNN's Bill Weir travels to Iowa to see how some American farmer's unusual and innovative measures to continue to grow food as they grapple with lower crop yields.

An effort to restore mangroves is underway in Mexico's Yucatan peninsula with a group of women working to restore a vital ecosystem under threat from development and climate change.

Countries from around the world will meet in a few weeks to try to reach agreement on limiting greenhouse gasses. Previous climate summits have been fraught with disagreement. Will the Paris meeting produce results? Jeffrey Brown speaks to UN climate chief Christiana Figueres about what to expect.

The World is Watching Cities, Now More than Ever
COP21 brought cities into the spotlight. C40 is proud to help shine that light a little brighter. Because cities and mayors are acting now, and we're right beside them as they become necessary leaders in this vital cause.Watch the mayors of Bogotá, C

The Intergovernmental Panel on Climate Change has published a report on climate change and the impact it has on remote low lying Pacific Island communities. The Marshall Islands is made up of 29 low lying coral atolls and they are disappearing.

President Barack Obama addressed the United Nations on climate change at the UN Climate Change Summit on September 23, 2014 in New York.

It's a cautionary tale with a twist. Unless we do more to protect them, coral reefs could become extinct by 2050 due to pollution & climate change. This video was released just ahead of the landmark Copenhagen summit on climate change in order to draw attention to the plight of these fragile ecosyst...