CASCADE, Mich. — Looking for a fun activity to do at home with your kids? This science experiment is fun for all ages and teaches how oxygen and carbon dioxide have different densities! Meteorologist ...

On the Big Island of Hawaii, a handful of low buildings sit on the side of a volcano, two miles above sea level. This remote outpost is one of the most important climate change research sites in the ...

The concentration of carbon dioxide in the atmosphere has climbed 33 percent since the late 1950s, an unprecedented spike in all of human history. Analyzing air bubbles trapped in ancient Antarctic ...

Chemically, carbon dioxide is incredibly simple—it is just one carbon atom linked with two oxygen atoms. Together they create a colorless gas that makes up just a tiny fraction of the Earth's ...

John Locher/AP / AP The amount of planet-warming carbon dioxide in the Earth’s atmosphere has hit a new record, as humanity struggles to rein in emissions of greenhouse gasses from burning fossil ...