Mark Hertsgaard is a Fellow of the New American Foundation and the author of six books, including Hot: Living Through the Next Fifty Years on Earth.
Say goodbye to polar bears and a whole lot of ice.... MORE
Thirty years is all the time we have to dramatically change our consumption of fossil fuels—or face... MORE
Mark Hertsgaard says an important new book shows what activists have to do to psychologically... MORE
An 1816 volcano explosion plunged temperatures around the world.... MORE
While thousands rallied for climate change, the government was building a levee to protect the... MORE
Our changing climate is killing 1,000 children a day, according to a new study. By Mark Hertsgaard. MORE
Droughts, heat waves—with the evidence mounting of major climate change, why aren’t parents taking... MORE