Willie Soon, a favorite among climate deniers, describes his research as "deliverables" in correspondence with his dirty funders.
A reader needs help clearing her driveway. Umbra digs deep for an answer.
The recent bout of winter weather has painted the middle of the country and the East Coast in white, while the West has been downright hot.
Community colleges are training students for green jobs, creating living laboratories for sustainability, and serving as safe havens during disasters.
Your food waste could be used to make tougher solar panels, better batteries, sustainable condoms, and more.
The warmth that led 2014 to become the hottest year on record has continued into 2015.
On the Inquiring Minds podcast, Factcheck's Kathleen Hall Jamieson discusses their new initiative to debunk politicians' science lies.
The company behind the long-stalled Keystone project wants to build a big new cross-border pipeline and get into the oil-train business.
Clean energy advocates often rage against the behavior of power utilities. It's time to look beyond them to the regulators who shape their decisions.
We've devised the world's shortest survey to find out what kind of actions our readers are taking. You know you want to.