Here’s Nick Kristof:

Here’s a forecast for a particularly bizarre consequence of climate change: more executions of witches.

As we pump out greenhouse gases, most of the discussion focuses on direct consequences like rising seas or aggravated hurricanes. But the indirect social and political impact in poor countries may be even more far-reaching, including upheavals and civil wars — and even more witches hacked to death with machetes.

A longer discussion at Freakonomics.

Via WonderCabinet.