Nov 20, 2015 The billionaire energy investor hasn't picked a favorite candidate yet.
Nov 12, 2015 A trust selling carbon credits pays Astoria, Oregon, to harvest less timber.
Oct 1, 2015 10 people have died in a shooting at Umpqua Community College.
Jul 24, 2015 Each has its own requirements.
Aug 20, 2014 The market for state tax credits is growing. They can even be traded online.
Jan 30, 2014 A proposal to waive tuition at public universities, but grads will have to "pay it forward."
Dec 18, 2013 Fifty-seven Native American tribes in the Pacific Northwest have come together to oppose plans to build coal export terminals in Oregon and Washington State.
Aug 15, 2013 How the company translates tidal waves of real time data to make renewable energy plants more efficient by predicting the weather.
Jun 12, 2013 It's been tried before, but a new generation of companies is hoping that manure will become the next solar.