Colorado’s Regional Haze plan complied with EPA’s long-standing policy on how states can incorporate voluntary source closures. Yet EPA nonetheless disapproved the plan as part of a coordinated effort ...

Environmental groups plan to sue the EPA for missing a deadline to designate areas violating the 2024 soot standard, ...

A coalition of health and environmental groups sued the Environmental Protection Agency on Wednesday, challenging its determination last week that revoked a scientific finding that has been the ...

Lawsuit from health and environmental justice groups challenges the EPA’s rollback of the ‘endangerment finding’ ...

The harmful carbon pollution from gas-guzzlers can increase the risk of asthma, exacerbate incurable conditions like chronic ...

Coalition challenges rollback of 2009 endangerment ruling, warning it weakens legal basis for US emissions rules - Anadolu ...

Colorado's attorney general and two environmental groups sued the US Environmental Protection Agency (EPA) on Wednesday to reverse its rejection of the state's air quality plan, a move the litigants ...

A coalition of environmental and health groups filed suit Wednesday against the Trump administration's repeal of a key scientific finding that underpinned federal climate regulations. According to the ...

Environmental and public health groups sued the Environmental Protection Agency over its reversal of a landmark climate finding that greenhouse gas emissions pose a threat to public health.