Brian Kahn

Cyclones have been quietly costing the world for decades, costs that could grow due to climate change.

All carbon dioxide monitoring stations in the northern hemisphere averaged above 400 ppm for April.

A new report looks at the U.S. cultural heritage sites most threatened by rising seas, wildfires, and storms.

Last month tied as the hottest April on record according to new NOAA data released Tuesday.

Coral reefs are an amazingly effective first line of defense for coastal communities.