Eating dinner with conservation biologists was like walking through a minefield of ethical decisions: grasslands have been overgrazed by steer raised for beef, and all cattle emit greenhouse gases though enteric fermentation; the poop from...

But having biologists outside the Beltway remained a problem for the adminisration. “They found they couldn’t control us,” Williams said… “That sort of thing just drove them up the wall. They were so used to...

It may be underfunded and at times mismanaged, but the [Endangered Species] Act is an unprecedented attempt to delegate human-caused extinction to the chapters of history we would rather not revisit: the Slave Trade, the...