Download or read book The Green Halo written by Erazim Kohak and published by Open Court. This book was released on 2011-04-15 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Green Halo is a highly readable introduction to the vast field of contemporary ecological thought. It is a basic education in environmental philosophy and a welcome propadeutic for understanding the most crucial problem facing humankind in the coming century: How can humans live on this earth so that they do not destroy the preconditions for their own existence?