He better stop this or someone is not going to take it kindly.

We're on the ground in Iowa asking all the candidates if they'll address the #ExtinctionCrisis by committing to a phase out of all U.S. fossil fuel production. Here's @JoeBiden's response: pic.twitter.com/ix4lska31L

— Mobilize for the Wild (@Mobilize4Wild) January 30, 2020