Dec. 23, 2004
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.
Nov. 25, 2004
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.
Nov. 8, 2004
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.
Sept. 7, 2004
Scientists Call Air Pollution Global Problem
Air pollution is difficult to track and prevent because plumes of impurities that originate in one country can drift half a world away, ultimately affecting the climate and human health on different continents. Betty Ann Bowser looks at global efforts to overcome geopolitical hurdles in clearing the air.
Aug. 24, 2004
A Debate on How to Count Salmon in the Pacific Northwest
Lee Hochberg of Oregon Public Broadcasting reports on the debate over how to count fish -- specifically salmon -- in the Pacific Northwest.
July 13, 2004
Governors Debate Proposed Changes in Federal Forest Rule
The Bush administration proposed Monday to give governors more control over logging and road building on federal forestlands. The change would override a Clinton-era environmental regulation called the "roadless" rule.
July 1, 2004
U.S. Battles Invasive Species
Of the 50,000 non-native plant and animal species that have arrived in the United States from foreign countries, many are considered invasive and cost an estimated $138 billion a year in environmental and economic damage.
June 3, 2004
The Intersection of Politics and Science on a North Carolina Pig Farm
A group of prominent American scientists recently wrote a report accusing the Bush administration of "misrepresenting and suppressing scientific knowledge for political purposes." Jeffrey Kaye explores the intersection of politics and science on one North Carolina pig farm.
June 1, 2004
U.S. Outlines Case Against Terror Suspect Padilla
Terrorism suspect Jose Padilla plotted to use natural gas to blow up U.S. apartment buildings, according to newly declassified documents released by the Justice Department Tuesday. Margaret Warner discusses the government's case against Padilla with New York Times reporter Eric Lichtblau.
April 22, 2004
President Bush and Democratic presidential contender Sen. John Kerry of Massachusetts both spoke on the subject of the environment today to mark Earth Day.
April 21, 2004
As Americans mark another Earth Day, the NewsHour's Science Unit examines how relatively small climate changes can affect small animals and plants in rainforests.
Jan. 26, 2004
Salmon is the most popular fish in the interior of the United States, but many American consumers have become concerned over whether the fish is still safe to eat. Lee Hochberg reports on whether there is any truth to these fish stories.