Residents in South Bay communities near the Tijuana River Valley can apply for a free air purifier through the San Diego ...

First District Congress member Doug LaMalfa, chair of the Congressional Western Caucus and representative of Sutter County and most of Yuba County, is helping to lead an effort to eliminate California ...

Founder of Avelo Airlines said the government contract will provide the company with ‘stability’ to continue flying ...

By Ian Choudri When I accepted the CEO role at the California High-Speed Rail Authority, I understood the challenges ahead. Yet, the significance of this endeavor—the nation’s first true high-speed ...

As the fires burned in Los Angeles, scientists and local air regulators deployed monitors to measure the levels of heavy ...

Though the new proposal would still help clean up the region’s smog-filled air, it stops short short of mandating heat pumps ...

Despite residents’ health complaints and community pushback, the airport’s operations continue to expand, intensifying ...

In a survey of 600 registered voters commissioned by The Oregonian/OregonLive, adults in the three-county Portland area said ...

An analysis from RMI found that Southern California homeowners can save thousands by switching to a heat pump.

The multi-billion-pound project is set to transform the state of California, which currently lacks public transport ...

The president's environmental actions will significantly increase the cost of living for millions of people and bring about ...