Check out this list.
http://www.freerepublic.com/focus/news/1272893/posts
It was prepared before the environmental movement, but I'm sure
the current version has a few "endangered species" additions.
W. Cleon Skousen notwithstanding, somebody needs to read Gramsci's works (and perhaps his ideological heirs in the Frankfurt school) to mine the original quotes on these topics in the words of the communists themselves.
That book is "Natural Process," by Mark Vande Pol. It's a roadmap to the future for America and the rest of the Free World and it's environment managed by motivated people, not government intimidated people!!!
But you already knew that, didn't you?