Over the next ten years, I predict, the mainstream of the environmental movement will reverse its opinion and activism in four major areas: population growth, urbanization, genetically engineered organisms, and nuclear power.

Environmentalism, meet realism. I agree with the author's assertions here. Time has clarified a number of things, but the environmental movement has not necessarily moved to embrace any of it.

I must admit to being unaware that population growth had leveled off..

Environmental Heresies