Gabriel Popkin
@gabrielpopkin
DC-area writer, mostly science and environment, specialties include climate, ecology, conservation, physics, forests, trees & soil.
ID: 843614054
http://www.gabrielpopkin.com 24-09-2012 13:41:58
2,2K Tweet
3,3K Followers
1,1K Following
For Thanksgiving, my first new Substack post in several months: a remembrance of William Powell, who dedicated his career to bringing back the American chestnut tree. open.substack.com/pub/gabepopkin…