Host Brazil will preside and set the agenda. For the talks to be a success, world leaders need to beef up efforts and money ...

A new United Nations report finds that global plans to fight climate change will barely reduce future warming, mainly caused by the burning of fuels like gas, oil and coal.

Simons, Mombak co-founder Peter Fernandez, ocean explorer Sylvia Earle, Green Generation Initiative founder Elizabeth Wathuti ...