The concept of "market-based environmentalism" is actually a form of socialism. Advocates use the language of markets to distinguish this form from traditional command-and-control socialism based on explicit central economic planning.
That's the argument Roy Cordato made today during his presentation to the John Locke Foundation's Shaftesbury Society. In the video clip below, Cordato explains why the basic concepts of market-based environmentalism can't work.
2:45 p.m. update: Click play below to watch the full 1:02:51 presentation.
You'll find other John Locke Foundation video presentations here.