Scientists are concerned about the Belo Monte power complex in Brazil because its placement on a major Amazon tributary threatens several species of fish that do not exist elsewhere. Credit: Kirk Winemiller/Texas A&M Enlarge Advocates of huge hydroelectric dam projects on the Amazon, Congo, and Mekong rivers often overestimate economic […]


A ring of protected land around New Zealand’s Mt. Taranaki is surrounded by pasture. Land use changes have likely been influencing species distributions for thousands of years, according to a new study. (Image: NASA/USGS) It’s hard to deny that humans are shaping planet Earth: from atmospheric composition to urban heat […]