The Pliocene called. It wants its CO2 levels back.

Fjords hoard more carbon than we thought

Michael Bloomberg gifts Sierra Club $30M to fund anti-coal efforts

Greenhouse effect is observed and getting worse

Did ocean's big CO2 burps end last ice age?

What is carbon insetting?

Could carbon farming save our soils?

NASA unveils satellite's 1st CO2 map of Earth

Earth's oceans hit warmest temperatures ever recorded

U.S. and China reach historic deal on climate change

Humans need to ditch fossil fuels by 2100, IPCC warns

How much are plants helping us fight climate change?