It took imagination, ingenuity, and months of meetings, but Matthew Mazzotta's poop-digester project finally turned dog waste into public lighting.
Oil is in trouble already in the global marketplace. Could the new climate agreement deliver a knockout punch?
Canada and Mexico win a trade dispute over U.S. rules requiring country-of-origin meat labeling. What does this mean for the Trans-Pacific Partnership?
An open-source project in California is putting cheap air-quality test stations on school roofs and other locations.
New polling and market research suggest the phrases you should use and the phrases you should avoid.
Jenny Odell's "Bureau of Suspended Objects" project looks at where the stuff we throw out came from, who made it, and what it means.
Exploding trains and leaky pipelines: There are plenty of hotspots that climate activists could pursue now.
Decades of history show how much the U.S. could achieve through crash investments in green tech -- and how unpredictably they could pay off.
Follow along as a science educator from the Alliance for Climate Education finds lively ways to teach teenagers about rising temperatures.