Science writer Henson is the author of The Rough Guide to Weather, The Rough Guide to Climate Change, and Weather on the Air: A History of Broadcast Meteorology. He has given numerous talks and interviews about various aspects of climate change, including the potential impacts of a warming climate on regional and global weather patterns. A meteorologist, Henson is an expert on severe weather, including tornadoes, thunderstorms, and hurricanes. He has also analyzed how TV weathercasters cover major storms and report on climate change.