I'm not an avid environmentalist... but neither do I deny global warming, our unsustainable lifestyle, and the constant rape of our natural resources. Been fishing for cod recently? No. I thought not. I disuade my wife from eating tuna because it's full of heavy metals.
I this cartoon that compares humans to parasites on our planet: Case of the Humans.
Also. Al Gore's a big geek. But he seems to be making some awe inspiring arguments in pointing out An Inconvienient Truth. And no, he didn't invent the internet.