Mark Hertsgaard is an American journalist. His best-known work is On Bended Knee: The Press and the Reagan Presidency (1988), which described the way the Reagan

Ronald Reagan

Ronald Wilson Reagan was the 40th President of the United States , the 33rd Governor of California and, prior to that, a radio, film and television actor....

 White House "deployed raw power and conventional wisdom to intimidate Washington's television newsrooms".

In the 1990s, Hertsgaard's attention turned to the ecological fate of the Earth

Earth

Earth is the third planet from the Sun, and the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar System's four terrestrial planets...

. He embarked upon a seven-year global tour to investigate the issue of environmental degradation. The journey spanned four continents, 19 countries and hundreds of interviews. The published result was a wide-ranging book called Earth Odyssey: Around the World in Search of Our Environmental Future (1999) ISBN 978-0767900591, which was reviewed in the New York Times Book Review and Time magazine.

Hertsgaard's newest book is about climate change adaptation

Adaptation to global warming

Adaptation to global warming and climate change is a response to climate change that seeks to reduce the vulnerability of natural and human systems to climate change effects. Even if emissions are stabilized relatively soon, climate change and its effects will last many years, and adaptation will...

, published by Houghton Mifflin Harcourt, titled Hot: Living Through the Next Fifty Years on Earth (2011) ISBN 9780618826124.