Scientists have developed a solar-powered method to convert solid waste into valuable green hydrogen and animal feed.

Tomatoes are the most-farmed vegetable in the world. Researchers set out to quantify the carbon footprint of this ballooning ...

Governments of rich countries tend to make ambitious emissions reduction pledges—but their citizens are the least willing to ...

AI systems, and the cloud technology that enables them, won’t drift away on a breeze. For all their faults, they’re here to ...