Environment: A War to Save the Black Rhino

It might have been a scene from one of Africa's guerrilla wars: four men wearing green fatigues and packing FN assault rifles fanned out across a wooded ridge. The bush crackled under a punishing afternoon sun as the government patrol scoured the hillside for enemy tracks. Then they heard it: the low murmur of voices drawing closer. Below them, a file of four men -- three carrying AK-47 rifles -- slowly advanced through a yellow sea of elephant grass. Without warning, the government patrol opened fire, gunning down all four in 40 seconds. When the bodies were searched, they recovered 278...