The transition to using sustainable energy sources is a major change in the U.S. energy system. A small number of emerging towns and cities across the country are beginning to successfully incorporate renewable energy sources into their electricity supply as part of an effort to reduce dependence on fossil fuels. These towns and cities are … Read more
The world is warming and a new study warns that almost a third of people could face the double whammy of heatwaves and drought five times more often by the 2090s. Researchers in Germany and China investigated combined hot and dry extremes, where severe droughts and intense heat waves occur simultaneously in the same place. … Read more
The idea that planets orbit two suns has long fascinated both scientific curiosity and the human imagination. Popularized by science fiction, such worlds, known as orbiting planets, do exist, and astronomers have identified several planets outside our solar system. But a puzzling pattern has emerged. Many of these planets appear to have disappeared from observation. … Read more