Graves wrote gracefully about everything from guns to dogs to environmentalism, and he always kept his eyes open.
The pollution that 1970s environmentalism targeted was also more concrete.
The environmentalism of the early 1970s was not just a pragmatic response to a technical problem.
Will he be passionate about environmentalism like Charles, or global humanitarian causes like his late grandmother Diana?
So the environmentalism that once worked so well is stymied by climate change.
Carter is not a preacher of environmentalism nor a corporate apologist.