Environment How Climate Change Is Threatening the Biodiversity of the Brazilian Savanna The Cerrado, a tropical savanna in Brazil that covers an area larger than Mexico, has already lost half of its native vegetation. See More
Environment The Digital Divide Is About Much More Than Access A new survey of low- and moderate-income families shows that 94 percent of them have Internet access, but many say it's slow and unreliable. See More
Environment The Perilous Future of Earth’s Parasites Climate change may drive as many as one in three parasite species extinct by 2070. That's very bad. See More