China
The US and China, the two countries who produce and consume the most will largely determine our environmental future. The effects of our choices will probably be felt most and most immediately in Africa.
Mark Hertsgaard writes extensively on China in his excellent book Earth Odyssey. This article is based on the book.
Video
Photographer Edward Burtynsky documents how humans alter the world, and to a lesser degree the people engaged in doing the work [1]. A video, Manufactured Landscapes, (trailer) was made about his trip to China and its factories and the Three Gorges Dam. Excerpt from Manufactured Landscapes.