Why Believe the Environmentalists?

Check out my latest at The Partial Observer. Excerpt:

For years we've been warned that the planet is warming because of human action, that this would bring disaster, and that therefore governments must restrict human action to prevent the warming.

A member of my family is a professional meteorologist who teaches at a major university. He is no conservative or libertarian, and he's an environmentalist. But he's a global-warming skeptic, along with apparently thousands of other scientists.

Who are we to believe?