This article in the NYT should give reason for pause. The rich countries are preparing themselves to adapt to climate change, and doing very little to help the poor nations, which are the most vulnerable. I think environmentalists should take this issue very seriously since completely preventing climate change is unlikely to happen.
Jason Scorse, Ph.D., is Associate Professor and Chair of the International Environmental Policy Program at the Monterey Institute of International Studies. His book What Environmentalists Need to Know About Economics is available at Amazon.