Commercial vessels are deploying high-tech sensors to map a shifting sea, providing critical data for scientists and some help for the industry.

© Tristan Spinski for The New York Times

Legislators are weighing tax increases on the wealthy and changes to laws meant to protect immigrants and the environment as the state budget deadline passes.

© Adrianna Newell for The New York Times

Edward Russo, the only member of a White House task force, thinks the president doesn’t get enough credit for conservation at his golf courses, among other things.

© Salwan Georges for The New York Times

Zach Polanski of Britain’s left-populist party talks austerity, Labour and the establishment crackup.

It feels as if our political institutions have abandoned the climate, but the clean energy economy is still growing.

A Chinese king’s infatuation with a woman was seen as the reason that a golden age collapsed. Evidence suggests climate change and internal strife played bigger roles.

In Mississippi, neighbors of a Chevron plant worry that an influx of Venezuelan oil could increase pollution. They want the company to pay to move them out.

It’s often assumed that lower birthrates could help slow climate change and A.I. disruption. The reality is more complex.

Even as American automakers have scaled back their ambitions for electric vehicles, some are pivoting to a technology that could help boost renewable energy.