An activist dressed as a tree attends a climate-change conference. (Bob Strong / Reuters)
Editor’s Note: This article previously appeared in a different format as part of The Atlantic’s Notes section, retired in 2021.

“Forests might be more socialist than we thought.” Franciska De Vries, who studies ecosystems, on how trees share carbon.

“I’ve not had a good sleep since I started this job,” Amit Reddy, a first-year science teacher.

“Work isn’t the answer to everything, but it is the answer to most problems that people have,” David Riemer, who created a program that provides jobs.

(Previous quotes from our sources here.)