As California goes on regulating air pollution, other states often follow – including the Golden State’s ambitious goals for cleaning up emissions from trucking.

The rise of e-commerce means billions of packages are delivered in the US each year. That creates traffic and pollution, but urban freight researchers are finding better way to get goods to customers.

A lot of federal money is now available for making school buildings healthier. Two environmental health experts explain how school districts can best use it.

Reducing air pollution from cars and light trucks would pay big health dividends for low-income and minority communities. A new survey shows how to get more drivers of color into electric vehicles.

Natural gas has been marketed for decades as a clean fuel, but a growing body of research shows that gas stoves can contribute significantly to indoor air pollution, as well as climate change.

In a 6-3 ruling, the Supreme Court held that an Obama administration plan to regulate carbon emissions from power plants exceeded the power that Congress gave to the Environmental Protection Agency.