[T]he freegan movement has become much more visible and increasingly popular over the past year, in part as a result of growing frustrations with mainstream environmentalism.
Environmentalism, Mr. Torres said, “is becoming this issue of, consume the right set of green goods and you’re green,” regardless of how much in the way of natural resources those goods require to manufacture and distribute.
“If you ask the average person what can you do to reduce global warming, they’d say buy a Prius,” he added.
Kitchen Linker isn't a freegan, but has some sympathies. Freeganism is the extreme of be frugal to be green.