"What is man without the beasts? If all the beasts were gone, men would die from great loneliness of spirit, for whatever happens to the beasts also happens to man. All things are connected. Whatever befalls the earth befalls the children of the earth." - Chief Seattle

 .

A Green History of the World: The Environment and the Collapse of Great Civilizations - by Clive Ponting

The Legacy of Luna - by Julia Butterfly Hill

One Makes The Difference - by Julia Butterfly Hill

Redheads - by Paul Spencer Sochaczewski

Zodiac: The Eco-Thriller - by Neal Stephenson