Environmental history. . . refer[s] to the past contact of man with his total habitat. . . . The environmental historian like the ecologist [s]hould think in terms of wholes, of communities, of interrelationships, and of balances.
We don't have sources who are dissidents on other sources. Should they come forward, that would be a tricky situation for us. But we're presumably acting in such a way that people feel morally compelled to continue our mission, not to screw it up.