"And it's a lot more than just the environmentalists concerned about global warming. It's reached a broad enough consensus among scientists that it's safe to sa

"And it's a lot more than just the environmentalists concerned about global warming. It's reached a broad enough consensus among scientists that it's safe to say it's time to do something about it." Check out the Oregon Petition to see just how much 'consensus' there is on the issue. Also, the book "The Deniers."