Climate Change is Really Dangerous. Here are 6 Environmental Issues That are Even Worse.

Climate change is dangerous, and it’s happening now. It threatens wildlife and the ecosystems they live in. It will make life harder for billions of people, with the greatest harm hitting the world’s poorest people. It may make some parts of the world uninhabitable for humans, and will almost certainly drive many species to extinction. But there are a half-dozen other environmental threats that are even worse. That’s according to a study published this month in Nature, generally considered the world’s most respected scientific journal.