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Professor Helen Fricker says the new laser altimetry system will measure two of the earth’s vital signs: the size of its forests and its amount of ice. -
Express lanes are open to solo drivers willing to pay a toll, while carpoolers can use them for free or at a discount. Today, traffic in the HOV lanes is often as bad as the rest of the freeway. -
The Environmental Protection Agency is eliminating a Clean Air Act finding from 2009 that is the basis for much of the federal government's actions to rein in climate change. -
People in poor countries often get little or no warning about floods, storms and other deadly weather. Local efforts are changing that, and saving lives. -
Parking fees in Balboa Park have sparked a fierce backlash — and have prompted calls for improving bike, pedestrian and transit access to the park. -
California is updating CalEnviroScreen, the influential pollution tracker that helps determine which communities get environmental grants. Advocates say the state should improve the tool and use it more frequently to cut pollution. -
The EPA enforced a record low number of environmental laws and regulations during the first year of President Trump's second term in office. -
Oil analysts who worked in Iraq say Iraqi oil sales had more protections after the U.S. invasion than Venezuelan oil sales today. -
The Trump administration tried to end or privatize the government Energy Star efficiency program. But now Trump has signed a budget bill that fully funds the program and leaves it even stronger. -
Strong winds can make it feel a lot colder than the thermometer suggests. Protect yourself by covering exposed skin and sheltering inside.
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