“Watson wrote last week, in the Guardian, that ‘we cannot solve the threats of human-induced climate change and loss of biodiversity in isolation. We either solve both or we solve neither.’ How long can the two trend lines continue to head in opposite directions? This is the key question raised by the report, and it may turn out to be the key question of the century.” The New Yorker’s Elizabeth Kolbert on the million species facing extinction, and what that means for us. Climate Change and the New Age of Extinction.

+ Jared Diamond: There’s a 49 Percent Chance the World As We Know It Will End by 2050.