| Weather | Hurricanes & Tropical Storms | Space & Astronomy | NASA & Space Shuttle |
| Animals & Pets | Energy | Biotechnology | Dinosaurs & Fossils |
| Climate Change | Pollution | Earthquakes & Volcanoes | Environment |
| States challenge EPA mercury emissions plan |
| Reuters Tuesday, 20 June 2006 | |
| Reuters - California and 15 other states on Monday challenged the U.S. Environmental Protection Agency's plan to set up a "cap-and-trade" system to reduce toxic mercury emissions from coal-fired power plants. | |
| Read more... |