In the NewsNew York TimesSeptember 17, 2021

‘The Most Important Number You’ve Never Heard Of’

There’s a good reason climate change is called the policy problem from hell. Several good reasons, actually, but let’s start with a big one: Fighting climate change forces society to spend real money today to reap benefits that will occur over hundreds or even thousands of years. We’re not set up to be that farsighted, either financially or mentally.