Search by county to see the level of smog pollution in the air. Smog can trigger asthma attacks and increase the risk of heart and lung diseases.

Search by county to see the level of soot pollution in the air. Soot causes death and serious health harms.

Bay Mills Indian Community condemns decision by Michigan Public Service Commission

Fish and Wildlife Service to list species as threatened following decades of litigation

The announcement comes after decades of litigation and public calls to save wolverines from development and climate change.

Colorado was provided 90 days to revise Suncor’s Title V permit after EPA’s objection

Air Quality Control Commission adopts GHG trading system over requirements for onsite reductions by polluters

Coal ash is leaching unsafe levels of toxic pollutants into groundwater at 91% of coal plants. Colorado has 38 coal ash dumpsites.

Amended bill would define cumulative impacts and strengthen air quality enforcement process

Representatives Bacon and Willford’s bill aims to improve air quality permitting and enforcement

Letter to the Colorado Department of Transportation requesting new public engagement process for proposed I-270 project

Protecting Communities From Air Pollution Act seen as a starting point for much-needed reform

Colorado Air Quality Control Commission adopted the polluter permitting rule in May

Community voices must be heard in cumulative impacts rulemaking and interim session

As the Endangered Species Act celebrates its 50th anniversary, here’s how we’re using this powerful legal tool to protect imperiled animals.

The investment will reduce natural gas usage by 2 million dekatherms over three years

As Colorado shutters its coal plants, the decisions we make now will determine how quickly we electrify our cars and homes, and whether all Coloradans have equitable access to clean energy

Community and conservation groups filed suit in Colorado state court challenging an inadequate rule adopted by the Colorado Air Quality Control Commission (AQCC) to address polluter permitting in disproportionately impacted communities (DICs).