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

Video shot by Sean Blackwell looking down at flooding from Hurricane Sandy on East 8th and Avenue C before the blackout.

Emergency workers were honoured during Mexico City's Day of Dead parade on Saturday which was dedicated to the victims of the September 19 earthquake.

United Nations - Statement by Mr. Leonardo DiCaprio, UN Messenger of Peace with a special focus on climate change, at the opening of the Climate Summit 2014.

Forty world leaders are taking part in a climate change summit hosted by US President Joe Biden. Alice Hill, David M. Rubenstein Senior Fellow for Energy and the Environment at the Council on Foreign Relations, shared her thoughts on the meeting.

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.

One casualty of flooding from Hurricane Irene was the 141-year-old Bartonsville Covered Bridge, an historic landmark in Vermont built by Sanford Granger, caught on camera as it was swept away by floodwaters.

“If we want to leave our children, grandchildren and future generations a healthy planet, we’ve got to respond now to the challenge of climate change. “ – Robert Redford. From every part of our world, in our own way, we can do something to act on climate. But we need our world leaders to do the s

IPCC Fifth Assessment Report - Working Group II - Climate Change 2014: Impacts, Adaptation, and Vulnerability.