Photons filter down through the atmosphere and are eagerly absorbed by light-powered organisms such as plants and algae ... Every winter in the high Arctic, for example, the sun, hidden by ...

Some theories suggest that this “Arctic greening” will help counteract climate change. The idea is that since plants take up carbon dioxide as they grow, rising temperatures will mean Arctic ...

ANCHORAGE, Alaska— The Center for Biological Diversity petitioned the U.S. Fish and Wildlife Service today to protect a rare Arctic plant called the Alaskan glacier buttercup under the Endangered ...