http://www.livescience.com Fri, 18 Jul 2008 16:18:40 EST en-us http://images.livescience.com/template_images/navigation/livescience_logo_88x31.jpg http://www.livescience.com 88 31 http://www.livescience.com/environment/ Fri, 18 Jul 2008 16:18:40 EST http://www.livescience.com/environment/080717-ice-chunks.html Iceberg scouring of Antarctic seafloor increasing as warming melts winter sea ice. Fri, 18 Jul 2008 16:18:40 EST http://www.livescience.com/environment/080716-pf-tidal-current.html Sloshing back and forth in constant rhythm, the ocean's tides are a predictable source of renewable energy. Hoping to tap into this, the world's largest tidal turbine is set to start generating electricity this month. Fri, 18 Jul 2008 16:18:40 EST http://www.livescience.com/environment/080715-wind-powered-town.html Rock Port, Mo. becomes first U.S. town completely powered by wind turbines. Fri, 18 Jul 2008 16:18:40 EST http://www.livescience.com/environment/ Fri, 18 Jul 2008 16:18:40 EST http://www.livescience.com/environment/080625-oil-drilling.html With gas prices skyrocketing, some government officials are crying out against the ban on drilling for oil in protected areas in Alaska and along US coasts. Here, the risks and rewards of lifting the ban are considered. http://www.livescience.com/environment/080227-solar-power-green.html Making solar cells produces fewer air pollutants than coal and oil power plants. http://www.livescience.com/environment/080228-microbes-clouds.html Bacteria actively grab water to form clouds at relatively warm temperatures. http://www.livescience.com/animals/080228-ap-wolf-ruling.html Environment, animal rights groups plan to sue government to stop delisting. http://www.livescience.com/health/080226-bad-aid.html A new study finds that humanitarian efforts can often be ineffective.