California Attorney General Rob Bonta says investigators will work to find the cause of the oil spill and whether anything could have been done to prevent the spill.
Along the Northeast coast, seals, whales and tuna feast on menhaden, fish that rebounded after regulators limited the catch. The oily fish are a foundation of coastal ecosystems from Florida to Maine.
In 2008, Prince Charles asked engineers to convert his Aston Martin to run on something more environmentally friendly. They came up with a way to power a car that's fit for royalty: wine and cheese.
In the land of the open prairie, an invasive plant is threatening to transform Kansas' grassland ecosystems into biodiversity wastelands. Researchers are running out of time to find ways to stop it.
Researchers at the International Monetary Fund say trillions of dollars in fossil fuel subsidies are making greenhouse-gas-producing fuels cheaper than they should be and making climate change worse.
Wildlife is threatened after a pipeline leaked oil off the Southern California coast. NPR's A Martínez talks to Michael Ziccardi of the Oiled Wildlife Care Network at UC Davis, about rescue efforts.
A severe drought in California has meant lost crops for many wine country grape growers. But some are finding ways to adapt to the hot, dry conditions.
The wetlands damaged in southern California's oil spill had been restored decades ago, and are some of the last remaining in the area. Ecologists say damage from the recent spill will be long lasting.