The easiest way to see why I’ve taken a pledge not to fly is to look at my essay: https://skywaterearth.com/2020/01/03/my-2020-climate-resolution-a-drastic-step/
Trained in Chemical Engineering and Physics, Hobie now focuses his consulting practice on helping climate organizations refine their strategies and improve their messaging. If you make the world a better place, he makes sure the world knows it.