Climate change has warmed Sacramento's winters, shrinking Sierra snowpack and threatening water supplies statewide.

North Carolinians are breathing the cleanest air in decades, according to a new report from the North Carolina Department of Environmental Quality.

Food waste and other organic material dumped in landfills produces methane and other pollutants as it decomposes. Colorado’s ...

Across the United States, the rules for checking tailpipe pollution are quietly shifting, even as climate targets grow more ambitious and electric vehicles grab headlines. States are carving out ...

Satellites detect huge methane leaks from state-owned oil and gas facilities, even as more governments pledge to cut emissions of the powerful greenhouse gas Satellites have detected huge methane ...

Throughout the 2024 campaign, President Trump sent a very clear message to the U.S. auto industry: Under his leadership it would be revived. Biden-era vehicle policies were infeasible, unrealistic, ...

Federal repeals of environmental programs and polices are setting the state back about a year in achieving its emissions ...

The GHGRP requires facilities that emit more than 25,000 metric tons of CO2 equivalent per year to report their emissions ...

The research, published today, includes a database of 13 years of carbon dioxide emissions in the United States.

New research from Northern Arizona University shows detailed CO2 emissions for the United States from 2010 to 2022.

The eight counties in the San Joaquin Valley experience some of the highest levels of air pollution in California, with levels of several pollutants far above the statewide average. All eight counties ...

Residents in seven Northeast Ohio counties, including Summit, can submit public comments on the EPA's decision until Jan. 12.