He's not the only one. There's been others dialing back the severity. Like Michael Shellenberger and Bjorn Lomborg. The truth is that it's hard to gauge the

He's not the only one. There's been others dialing back the severity. Like Michael Shellenberger and Bjorn Lomborg. The truth is that it's hard to gauge the severity with any accuracy. It's refreshing to hear scientists with the humility to admit it.