As an environmental economist I've been accused of being an environmentalist (by economists) and anti-environmental (by environmentalists). The Gristmill asks "How do you define "environmentalism"?" Go here to register your answer. And if you would, repost your answer here. I'm interested to see how our readers' responses compare to the "environmentalists" over at Grist--or just post your comments here and then we'll see if we can steal some of their readers.