This story was originally published by Grist. You can subscribe to its weekly newsletter here. A burst of gunfire rang through a forest on the edge of Atlanta, Georgia, on the morning of January 18. Manuel Esteban Paez Terán, whose chosen name was Tortuguita (Spanish for “little turtle”), had been shot and killed by police officers, becoming the only known person killed by law enforcement during an environmentalist act of land defense in the U.S. Tortuguita was part of a loose-knit group continuously occupying the woods to stop trees from being felled by construction of a sprawling police training center...