The Secret of El Dorado (The discovery of Biochar)

In 1542, the Spanish Conquistador, Francisco de Orellana ventured along the Rio Negro, one of the Amazon Basin’s great rivers. Hunting a hidden city of gold, his expedition found a network of farms, villages and even huge walled cities. At least that is what he told an eager audience on his return to Spain. http://www.bbc.co.uk/science/horizon/2002/eldorado.shtml…

Stefan Rahmstorf: The Basics of Global Warming

Prof. Stefan Rahmstorf explains the basics of Climate Science. Basic data sets and findings about Global Warming, including some comments on historic land marks of the Science. Watch part two “Impacts of Climate Change” These lectures form part of a broader lecture course called World in Transition. It includes 11 themes, presented by the members…

Stefan Rahmstorf: Impacts of Climate Change

In this Climate Change lecture Prof. Stefan Rahmstorf deals with the impacts (with a focus on extreme events and Sea-Level Rise) and the possibilities for holding Global Warming below 2°C. Watch part one “The Basics of Global Warming” Part three “Interview” These lectures form part of a broader lecture course called World in Transition. It…