Study Finds Methane Emissions Dropping In USResearchers have found that methane emissions from local natural gas distribution systems across the U.S. have decreased in the past 20 years.
DC Environmental Director To Tout Hydrogen-Powered CarThe District of Columbia's top environmental official will be taking a spin in a new car that's powered by air.
Emissions Extention for Recalled GM Vehicles
Northeast Cuts Power Plant Polluting Allowances Officials in all six New England states and Delaware, Maryland and New York are putting in place new rules, adjusting the limit on emissions for 2014 to 91 million tons of carbon dioxide from 165 million tons. In addition, the Regional Greenhouse Gas Initiative program calls for a 2.5 percent cut in emissions each year from 2015 to 2020.
Appeals Court Overturns Cross-Border Emissions RegsA federal appeals court has overturned a regulation clamping down on power plant pollution that contributes to unhealthy air in neighboring states.
Supreme Court Rules Against Connecticut, Other States In Emissions SuitThe Supreme Court blocked a federal lawsuit Monday by Connecticut and other states and conservation groups trying to force cuts in greenhouse gas emissions from power plants.