Mar 15 Watch EPA Limits Mercury Emissions The Environmental Protection Agency released the first regulations that limit mercury emissions from coal-fired power plants Tuesday. Two energy experts debate the implications of the new "cap and trade" initiative which allows companies to trade pollution allowances. Continue watching
Mar 04 President Selects Career EPA Employee to Lead Agency By PBS News Hour President Bush announced Friday that he has picked career government employee Stephen Johnson, the acting head of the Environmental Protection Agency, to take on the position full-time. Continue reading
Feb 18 Watch Shields and Lowry Analyze Intelligence Director Appointment and Social Security Syndicated columnist Mark Shields and National Review editor Rich Lowry discuss the appointment of John Negroponte as the new director of national intelligence, Federal Reserve Chairman Alan Greenspan's comments about Social Security and the brewing fight over judicial nominees. Continue watching
Feb 16 Watch Kyoto Fallout The Kyoto Treaty, signed in 1997 to combat global warming, went into effect Wednesday. Gwen Ifill leads a discussion on the newly enacted treaty and the U.S. decision not to participate. Continue watching
Feb 16 Watch Deep Sea Chemicals Scientists around the world are looking to coral reefs for the next big medical breakthrough. Correspondent Betty Ann Bowser explores the potential of these "rainforests of the sea" to provide the raw materials for life-saving drugs in the second of… Continue watching
Feb 01 Watch Dying Coral Reefs Some scientists are concerned that overfishing, pollution and global warming are killing parts of the world's coral reefs. Correspondent Betty Ann Bowser explores what is being done to save the reefs in part one of a two-part series. Continue watching
Jan 25 Watch Peace Prize Winner: Wangari Maathai Kenyan environmentalist Wangari Maathai, the first African woman to win a Nobel Peace Prize, sits down with Jeffrey Brown about her ecology work and social activism. Continue watching
Dec 23 Watch New Forest Regulations Loosen Governance President Bush has announced new regulations that loosen the control and governance of the 155 national forests in the U.S. Experts discuss how the new rules will affect the management and protection of national forests. Continue watching
Nov 25 Watch Everglades Restoration Project Could Yield Healthier Florida Wetlands Tom Bearden from the NewsHour's Science Unit explores the massive effort to bring the Florida Everglades back to health. The NewsHour Science Unit is funded, in part, by a grant from the National Science Foundation. Continue watching
Nov 08 Watch Arctic Ice Pack Reveals Warming Trend Results of a four-year study released this week by a team of 300 scientists show the Arctic is warming at twice the global average rate. Tom Bearden reports on the science of the Arctic. Continue watching