In his June Notebook, "Climate, Class, and Claptrap," Garret Keizer fails to recognize that environmentalism is a social-justice movement whose objectives, if achieved, would do more to abolish inequity than any other before it. Environmentalism is currently the biggest threat to capitalism and its need for unlimited economic growth and consumption. Since the 1960s, environmentalists have talked about the urgent need to make polluters pay for their crimes and to curb unsustainable growth by redistributing wealth. In fact, redistribution of wealth is a necessary condition for saving the earth. Combating global warming will bring about the social and economic reforms Keizer ...