As global warming passes certain limits, dire changes will probably become irreversible, the researchers said, including the loss of polar ice sheets and the death of coral reefs.
At some point, economic forces snowball so that coal becomes too expensive to burn, or electric cars become vastly cheaper than gas. These positive climate tipping points are what government policy should be trying to achieve.
Humans don’t easily grasp the concept of exponential growth, but it’s exactly why coronavirus has gotten so hard to manage—and why climate change could too.
