13-09-27 Assessing the risk posed to aquatic organisms by the discharge of certain steroids(类固醇) and pharmaceutical products into waterways is often based on a belief that as the compounds degrade, the ecological risks naturally decline. But there's gro...
13-07-25 Glacier retreat areas provide an excellent window into the evolution of microbial communities, an ideal opportunity for scientists to study how quickly soil biological functions become established and how ecosystems begin to form. Soils are not stat...
13-07-09 Environmental researchers at Harvard University have published evidence that significant reductions in mercury emissions will be necessary just to stabilize current levels of the toxic element in the environment. So much mercury persists in surface...
13-05-29 To better understand how bacteria impact the environment a former University of California, Riverside graduate student spent nearly a year building a system that replicates a human colon, septic tank(化粪池) and groundwater and fed the colon three...
13-02-19 While many people recognize that clean water and air are signs of a healthy ecosystem, most do not realize that a critical part of the environment is right beneath their feet, according to a Penn State hydrologist. The ground plays an important role...
12-09-18 A brief window of opportunity exists to shape the development of cities globally before a boom in infrastructure construction transforms urban land cover, according to a study in the Proceedings of the National Academy of Sciences. Researchers at Ya...
12-09-05 Alien mammals, including mink, wild boar, racoons, shrews and beavers, have invaded Europe to a greater extent than we thought. 外来哺乳动物,包括貂、野猪、浣熊、鼩鼱和海狸,已经在很大程度上侵入欧洲。 A new study has found that 71 mammal species hav...
12-07-11 City officials in San Francisco plan to block local government agencies from buying new Apple Macintosh computers. 旧金山市官员计划阻止政府部门购买新款苹果Macintosh电脑。 The move follows the firm's decision to pull out of a green certification sche...
12-06-19 The lives of most men are determined by their enviroment.They accept the circumstances amid which fate has thrown them not only resignation but even with good will. They are like streetcars running contendedly on their rails and they despise the spr...
12-06-07 Mexican President Felipe Calderon has signed a law introducing binding targets on climate change. 墨西哥总统费利佩卡尔德隆将一份气候变化约束力目标的法案签署生效。 Mr Calderon said on Twitter that the law would make Mexico the first developing countr...