EnvironmentPaul Ehrlich: There are too many super-consumers on the planet Conservation biologist Paul Ehrlich raised fears about our rapidly growing population in his 1968 book The Population Bomb. Fifty years later, he reflects on what has changed Features
EnvironmentColorado River drought can be predicted by warming in the ocean A climate model that accounts for the ocean’s ability to retain heat and release it slowly can forecast drought in the Colorado River, which provides water to 30 million people in the US and Mexico News