Smoke from Canadian wildfires is working its way into the northern U.S. this week, prompting warnings from health officials ...

CalHeatScore is developed by the California Environmental Protection Agency’s Office of Environmental Health Hazard ...

SACRAMENTO, Calif — California has launched a new rating system to help people prepare for extreme heat events in the state, ...

Air quality in some parts of the United States is being compromised as smoke from dozens of wildfires in Canada travels south, pushed by winds high in the atmosphere ...

The injunction seeks court intervention to mandate urgent relief measures, including relocation assistance and home-hardening ...

Federal action revokes California's emissions authority, but CARB insists the Clean Truck Partnership (CTP) with OEMs holds.

“The pollution in the Tijuana River isn’t just harming our environment – it’s threatening our neighbors’ health, shutting ...

The 120-mile Tijuana River flows from Baja California into the United States and discharges millions of gallons of wastewater ...

Decisions on small refinery exemptions are made in a collaborative effort by the U.S. Department of Energy and the EPA, but ...

Newsom’s executive order allows fire reduction efforts to bypass CEQA ahead of fire season. Some fire agencies are seeking to ...

A new draft of California's single-use plastic EPR rules ordered by Gov. Newsom is drawing praise from industry and concern ...

Stacey Geis, former deputy assistant administrator at the U.S. Environmental Protection Agency, has joined Crowell & Moring's Environment, Energy and Natural Resources and White Collar and Regulatory ...