Copenhagen has announced ambitious plans to become the world’s first carbon-neutral capital by 2025. This is how they plan to achieve their goal. For more information on The B1M: http://ow.ly/GxW7y

In the near future, the North Pole could truly be relegated to the realm of history. Since scientists started measuring winter sea ice, we’ve lost half a million square miles of it—and for every additional ton of carbon dioxide in the air, about 32 square feet of summer sea ice disappears. Robin

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.

The future of sea travel could be here -- and it just might help save the planet. A hydrogen-powered ferry that produces zero emissions will soon launch in the San Francisco bay.

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.

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

Hundreds of thousands of demonstrators from around the world united to urge policy makers to take action on climate change ahead of an upcoming meeting at the United Nation on September 23, 2014.

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

16 climate activists teens and children are petitioning the United Nations with claims that the boy is violating children's rights by not taking action on climate change and global warming. Global climate strike leader Greta Thunberg is among the activists taking climate action against the UN. Thunb...

Trees curb climate change directly by removing carbon dioxide from the atmosphere. Through the process of photosynthesis, forests offset 10 to 20 percent of the country’s greenhouse gas emissions each year. Additionally, trees help protect against climate impacts such as flooding, which is getting w