Intervention Earth : life-saving ideas from the world's climate engineers

Historian, journalist, and author Gwynne Dyer tracks down the world's top climate engineers to discuss the extraordinary measures we must contemplate to counter the irreversible effects of climate change. The global climate emergency is now an alarming fact of life. Much as we still need to get emissions under control, many are thinking that it's all too little, too late. As scientists, politicians and concerned citizens scramble for solutions to...