The attorneys general in 13 states say a House Republican plan to reform decades-old chemical laws would actually rollback public health and environmental protections.
The labor union said lax regulations and inspections could be putting more at risk.
The Environmental Protection Agency blamed the delay on its consultations with the Fish and Wildlife Service and the National Marine Fisheries Service
Nearly 10,000 schools across the country are located within a mile of a chemical facility, according to a watchdog group that is pushing new regulations.
The Environmental Protection Agency (EPA) released a series of technical white papers Tuesday about sources of methane emissions, asking the public to comment on the research to inform EPA’s efforts to reduce emissions of methane, which is the main component of natural gas.
Portions of the contentious Dodd-Frank regulations remain intact.
The court said green groups were not able to show that carbon monoxide emissions would make global warming worse.
Republicans remain dubious of the administration's commitment to fossil fuels.
The Vermont Democrat said Congress should scrap the corn-based mandate.
Top Environmental Protection Agency officials have had more than 100 meetings with at least 210 groups in crafting its greenhouse gas emissions rule for existing power plants.