Oct 27 Watch NextFest Unveils High-tech Tools and Toys With more than 130 exhibits from scientists, researchers and inventors around the globe, NextFest brings its vision of a new world's fair to New York City. The NewsHour's economics correspondent Paul Solman reports on the high-tech tools and toys of… Continue watching
Oct 02 Watch Abortion, Race and Business Law on Supreme Court’s New Docket The U.S. Supreme Court began its next term Monday with cases on late-term abortions, the use of race in school admissions, patent law and pollution control. Legal experts discuss the cases and the issues that will define the new term. Continue watching
Aug 31 Watch California Moves to Be First State to Limit Greenhouse Gases California Gov. Arnold Schwarzenegger and Democratic lawmakers reached a landmark agreement on a bill requiring companies to cut output of greenhouse gases by 25 percent by 2020. Experts discuss the national implications of California's move to curb emissions. Continue watching
Aug 04 Watch Deadly Heat Wave Reignites Climate Change Debate A front of cool air moved over the East Coast Friday, bringing an end to a record-breaking heat wave that started last week in California and is blamed for nearly 200 deaths. Climatologists discuss the debate over the Earth's changing… Continue watching
Jun 26 Watch High Court Rules Against State Campaign Finance Law In two much-anticipated decisions, the Supreme Court struck down Vermont's stringent campaign finance limits while ruling that the Kansas Supreme Court had improperly ruled the state's death penalty law unconstitutional. Continue watching
Jun 22 Earth Warmest in 400 Years, Panel of Scientists Says By Admin, PBS News Hour A panel of top climate scientists reported Thursday that the Earth was hotter in the last few decades of the 20th century than it has been over the last 400 years and possibly longer. Continue reading
Jun 08 Watch Researchers Scramble to Create CO2-Busting Technologies With carbon dioxide comprising 80 percent of greenhouse gases, researchers are creating technologies to neutralize emissions and reverse their effects on global warming. Continue watching
Jun 07 Watch Emissions Exchange Program Aims to Reduce Greenhouse Gases Among businesses addressing the global warming issue, the Chicago Climate Exchange is creating a trading market with financial incentives to reduce emissions of carbon dioxide, methane, and other greenhouse gases. Continue watching
Jun 05 Watch Global Warming Presents New Business Opportunities As various groups push to raise awareness of the adverse effects of global warming and energy prices continue to rise, companies are advertising greener, cleaner products that may cost a little more. Continue watching
May 24 Watch Former Vice President Al Gore Releases Documentary on Global Warming Former Vice President and presidential contender Al Gore is back in the limelight with a newly released documentary on global warming. Following a background report on his re-emeregence on the public stage, a reporter and his former chief of staff… Continue watching