Mar 21 Watch Gore Urges Congress to Take Action on Climate Change Former Vice President Al Gore returned to Capitol Hill Wednesday to testify about global climate change. Gore told a congressional panel that global warming is "a true planetary emergency" and urged Congress to take action. The NewsHour presents excerpts of… Continue watching
Mar 16 Watch Oceanic Expedition Uncovers Vast Genetic Diversity A two-year study of the world's oceans revealed an unprecedented level of genetic diversity in marine microbes. Expedition leader J. Craig Venter discusses the study and its significance. Continue watching
Mar 15 Watch Dogs Shed New Light on Cancer Genes in Humans Cancer researchers are finding that purebred dogs may help provide answers about the genetic basis of cancer -- in dogs and humans -- because the dogs' small genetic pool makes it easier to isolate cancer-causing genetic mutations. The NewsHour provides… Continue watching
Mar 14 NASA Spacecraft Discovers Possible Seas on Saturn’s Moon By PBS News Hour Visual and radar images from NASA's Cassini spacecraft have revealed what seem to be several seas -- probably filled with liquid methane and ethane -- on the surface of Saturn's moon Titan. Continue reading
Mar 14 Oceans Study Reveals 6 Million New Genes By PBS News Hour Scientists spent two years trawling the oceans for bacteria and viruses, and in the process discovered 6 million new genes, doubling the number known on Earth and holding promise for new antibiotics and alternative energy sources. Continue reading
Mar 02 Watch Port Cities Work to Rid Air of Pollutants Air monitoring stations in communities adjacent to California ports record dangerous levels of nitrogen oxide as well as fine soot and sulfur oxides. The NewsHour reports on how port cities are working to combat the pollution. Continue watching
Feb 26 Watch Buyers of Texas Power Company Agree to ‘Think Green’ Texas power company TXU agreed to a buyout by private equity firms in the largest-ever private buyout. The acquiring companies also committed to adopting more environmentally friendly policies. NewsHour reports on the buyout and the business of thinking green. Continue watching
Feb 23 U.S. Government Looks to List Polar Bear as Threatened By Admin, PBS News Hour The U.S. Fish and Wildlife Service has proposed listing the polar bear -- a species whose survival depends on the sea ice that is melting as the Earth's temperature rises -- as "threatened" under the Endangered Species Act. Continue reading
Feb 22 IAEA Finds Iran Continuing to Enrich Uranium By PBS News Hour Iran has continued to develop its uranium enrichment program, failing to meet a Feb. 21 U.N. deadline to halt the operation, the International Atomic Energy Agency said in a report issued Thursday. Continue reading
Feb 19 Watch Electronic Waste Adds to Pollution in India Electronic waste, composed of heated and discarded metals from computer parts, is accumulating quickly as India's computer recycling industry rapidly expands. NewsHour reports on government regulation of computer recycling and the health threat posed by improper recycling of computer parts. Continue watching