Energy Transfer Partners alleges Greenpeace and other "eco-terrorist groups" tried to block its pipeline with "campaigns of misinformation." Greenpeace says the suit is a bid to "silence free speech."
International research labs are using seaweed to make biofuel, but little progress has been made in the U.S. Now scientists in California are developing a prototype to enable vast open-ocean farming.
For 40 years, Alaska has been putting its oil money into a giant savings account. But now the oil — and the money — are drying up.
Big food companies like Walmart want farmers to reduce greenhouse emissions from nitrogen fertilizer. But the best-known program to accomplish this may not be having much effect.
Lots of people forget to take their medicine on time. Now firms are selling "smart" pill bottles that send patients reminders through the Internet. But maybe the real problem isn't forgetfulness.
Testing President Trump's promise to get tough on trade, two U.S. solar panel manufacturers are seeking to impose a tariff on panels made overseas. But many in the industry warn it could cost jobs.
Many of the groups cited controversy about recent comments by President Trump that "both sides were to blame" for the violence that occurred during a white supremacists' rally in Charlottesville, Va.
Peter Madsen pushed off in his submarine with a Swedish journalist, but by the time he was rescued, she was gone. Now, he says she died onboard — but the admission is stirring even more questions.
Growing marijuana takes a lot of energy, which comes into conflict with state efforts to reduce greenhouse gases. Now, some places are helping the pot industry to become more energy efficient.
NPR's Ari Shapiro speaks with Uber's new vice president of leadership and strategy about what she plans to bring to the ride-hailing company after more than a dozen executives left this year.