A $2.4 billion upgrade to Caltrain is shaving time off trips, boosting ridership, and reducing riders’ exposure to toxic diesel pollution.

Though tech companies are secretive about water usage, Arizona’s 150-plus data centers and chip factories use a tiny fraction ...

Last week, the ag department finally settled the lawsuit, agreeing to share the datasets used to power its climate risk viewer and other tools. Even though most of the webpages in question had already ...

As climate change remakes the mountains, the fight to save Appalachia's iconic hellbender salamander is becoming a fight for ...

The Interior Department must force seven bickering states to agree on drastic water cuts — after the driest winter in decades ...

This coverage is made possible through a partnership between Grist and WABE, Atlanta’s NPR station.

Not far from the crowds of Venice, sea lavender locks away carbon, builds ecosystems, and could help coastal cities weather a ...

Utah Republicans are calling for an energy "divorce" from blue states. A major utility just granted part of their wish.

New research finds that Arctic peatlands are expanding as the far north undergoes rapid changes. It's an ominous sign.

In more than half of U.S. states, Republican and Democratic lawmakers have introduced legislation that would boost adoption of DIY solar systems.

Team U.S.A. reflects on competing in the first Olympics following an international ban on waxes containing "forever chemicals." ...