Iss1/Ch4 If you liked the 2017 worldwide refugee crisis, you’ll love the complete desertification of the Sahel

Chris and Charley conclude Issue 1 by discussing how mainstream economists and climate scientists can look at the same data and reach wildly different conclusions. How can mainstream economists predict small dents to the economy when climate scientists see existential threats to civilization itself? Perhaps Sahelian desertification and climate change can only be solved if we stop listening to mainstream economists.

Images from Chapter 4

How mainstream economists and climate scientists estimate our climate risk:

Slide from William Nordhaus’s Nobel Prize for Economics lecture summarizing his work calculating that 4 degrees is “optimal” warming:

Exponential increase in fossil fuel consumption:

President Reagan and Ahmaduo Ahidjo:

President Obama and Paul Biya: