Researchers established a relatively low cost method that could help countries with limited monitoring capabilities measure particulate pollution in their skies.
EPA
Radioactive Bookkeeping of Carbon Emissions
A new sampling method uses carbon-14 to single out which carbon dioxide molecules in the atmosphere derive from fossil fuels. The method could help track emissions goals for climate mitigation.
Clean Water Act in the Balance?
An important Supreme Court case could have major ramifications on the interpretation of the Clean Water Act and environmental protection.
Lawsuit Challenges Trump Administration’s Emissions Rollbacks
The suit argues that the administration is failing to curb carbon dioxide emissions as required under the Clean Air Act.
New EPA Head Says His Priorities Include Regulatory Relief
Andrew Wheeler brings a new tone and a vow of openness to the agency. However, he plans to pursue the same goal as his predecessor, which could weaken environmental regulations.
Environmentalists Are Glad Pruitt Is Out but Worry What’s Next
With Scott Pruitt’s resignation, EPA deputy administrator Andrew Wheeler, a former coal lobbyist, takes charge and is likely to continue the same deregulation and antienvironment policies.
Congressman Renews Call for EPA Administrator to Resign
In an interview with Eos, Rep. Don Beyer, the second-highest-ranking Democrat on the House Science Committee, details why he calls Pruitt “an embarrassment” to the Trump administration.
EPA Proposes Repealing Its Own Obama Era Clean Power Plan
The action of the agency, now realigned by the Trump administration, “just begins the battle,” according to environmentalists and others who plan to challenge EPA’s proposed repeal of the rule.
EPA Reassesses Feasibility of Plan to Increase Fuel Efficiency
This January, the Environmental Protection Agency (EPA) finalized mileage standards set in 2012. Now, at the push of the auto industry, EPA and other agencies are going back for another look.
Supreme Court Hears Case About Regulating Power Plants
In a case about power plant emissions, arguments focused on whether the Environmental Protection Agency properly interpreted a regulation and on dramatically different cost-benefit analyses.