The famously conservative Koch brothers have teamed up with groups like the Sierra Club and Environmental America to urge lawmakers to support Tesla's direct sales business model, which has fought auto dealers in several states.
Hoping to make climate change a bipartisan issue, environmental groups are endorsing Republicans and moderate Democrats in the midterm elections. The strategy is a pragmatic shift for green groups, who have more money and clout in this election than ever before.
Beaver dams have so far prevented about 1 million gallons of fracking wastewater discovered spilled July 8 from a rural North Dakota pipeline from spreading too far. But, many North Dakota residents and experts are calling for more regulations and reliable measures.
Natural gas is cleaner than coal, but only if the industry can control its methane releases. A new report says it's doing OK, but methane releases are underestimated.
As California's Rim Fire bears down on Yosemite National Park and threatens power and water for San Francisco, the state must once again reassess the values that humans place on nature.
Keystone XL plays an outsize role in US energy discourse, earning the nickname "the Kim Kardashian of energy" from one US senator. But Keystone XL serves as an important touchstone for both its supporters and detractors.