Joseph Bonkile Engobo, who confronted a logger cutting down this tree near the village of Lokolama, where he is the chief, in the Democratic Republic of Congo, Oct. 17, 2021. The area's swamps are part of the biggest network of tropical peatlands in the world -- 55,000 square miles of Central Africa that store more than 30 billion tons of carbon. (Nanna Heitmann/The New York Times)