It’s a warm August day in the pristine forest of Cordillera Azul National Park, located in Central Peru’s Amazon Rainforest. Cordillera Azul, home to more than 1,800 species of plants and animals, is one of the most biologically diverse areas in the world—and one of the most endangered. On this day, new patches of forest-clearing pop […]
Which of the world’s forests are natural, and which have been planted by humans? It seems like a simple question, but researchers have been struggling to answer it for years. Satellites can’t easily distinguish between primary and secondary forests, which occur naturally, and planted forests, which are created and managed by people to supply timber, […]
