Peter and Mickey spend the hour in conversation with political author Chris Hedges; his latest book is "Wages of Rebellion: The Moral Imperative of Revolt."…

Introduction One of the greatest threats to the survival of the human species and the biosphere is catastrophic climate change. Scientists warn that if the…

In case you weren't already worried about the current and rapid acidification of the world's oceans, a new report by leading scientists finds that this…

Changes to the Earth's oceans, caused by extreme volcanic activity, triggered the greatest extinction of all time, a study suggests. The event, which took place…