Jun 06 U.S. on Track to Break Tornado Records This Year By PBS News Hour The first half of 2008 has already marked the deadliest tornado season this decade. As many as 1,000 tornadoes have already touched down in the U.S. since January, more than the country sometimes sees in a full year. Continue reading
Jun 06 Climate Change Bill Blocked, Left to New Congress By Admin, PBS News Hour Republican senators blocked a proposed global warming bill Friday that would have led to major reductions in greenhouse gases, calling it a huge tax increase. Continue reading
Jun 05 World Leaders Pledge to Ease Food Crisis After Political Squabbling By PBS News Hour World leaders at a United Nations food summit pledged Thursday to reduce trade barriers and boost agricultural production to combat the food crisis that is spreading hunger and violent unrest across the globe. Continue reading
Jun 02 Watch Extended Interview: Venture Capitalist Vinod Khosla Vinod Khosla is an influential venture capitalist in Silicon Valley. He was a cofounder of Sun Microsystems and later a partner at the venture capital firm Kleiner Perkins, which helped fund Google and Amazon. In 2004 he started his own… Continue watching
May 30 New Solvents May Lead to Better Biofuels By PBS News Hour Molten salts used as solvents may provide a stepping stone toward cheaper, more environmentally friendly biofuels, researchers said this month. Continue reading
May 30 Stonehenge Used as Burial Site for Centuries, Study Finds By PBS News Hour Britain's mysterious Stonehenge site served as a burial ground for more than 500 years, probably for a family of ancient rulers, a group of archeologists announced this week. Continue reading
May 29 Watch Monkeys Learn to Control Robotic Arm With Brainwaves Advances in brain-controlled prosthetics reached new heights as researchers at the University of Pittsburgh announced the successful use of a prosthetic arm linked directly to the brain of a monkey. Lead researcher Andrew Schwartz discusses the findings. Continue watching
May 29 Watch Venture Capitalists Look to Green Businesses for Boom A recent surge in investments by venture capitalists in eco-friendly businesses is possibly triggering a boom in green and clean technology. Analysts report on the green market and its ability to make money while saving oil. Continue watching
May 28 Watch Report Documents Climate Change Impact on U.S. A recently released government report describes the impact global climate change is already having on U.S. farms, wildlife, forests and water supplies. One of the report's lead authors discusses its findings. Continue watching
May 28 Watch Modernizing China Confronts Environmental Woes Since undertaking market reforms in late 1970s, China has enjoyed an economic boom -- but the economic progress has also produced serious environmental damage and pollution problems. Margaret Warner reports on China's environmental woes and their impact on the run-up… Continue watching