Global Warming

• New fuel for coal vs. gas debate
• Pa. issues air pollution rules for gas drilling
• EPA hearing focuses on reducing gas drilling air pollution
• New air rules to curb pollution from gas wells
• EPA Reduces Smokestack Pollution
• Agency action would cut transport of air pollutants from Pa. power plant
• Scientists: Delaware River faces threats
• Hope remains for future of coal-to-liquid fuels project
• U.S. House Battles Over U.S. EPA Greenhouse Gas Regulations
• Pa. official defends rules on gas drilling waste