Environmental Protection Agency admits study of nanotechnology projects has "environmental health and safety data gaps"
Agency releases list of alleged environmental criminals, but report claims it is overstating its enforcement achievements
Smart grids, advanced metering and combined heat and power plants to underpin energy efficient infrastructure
Appeals board withholds permit for new coal-fired power plant in Utah, raising prospect of future curbs on new coal plants under Clean Air Act
US House of Representatives committee warns Bush administration could use last few months in office for huge roll back of green legislation
Plans to water-down power plant pollution legislation under fire, as Congressional Committee warns any changes would likely face legal challenges
Environmental Protection Agency faces legal action as green groups threaten to sue over landfill gas legislation
The EPA claims it has continued to impose record fines on polluters
The Environmental Protection Agency needs to improve how it reports its activities