From Europe to Japan to the U.S., nuclear power is in retreat, as plants are being shuttered, governments move toward renewables, and key companies face financial troubles.

For a commercial or residential developer seeking to install solar panels or make energy efficiency improvements to a building, getting financing from a traditional bank often can be a challenge.

The steady expansion of vineyards in California’s premier wine-growing region is moving uphill into oak and other woodlands and is adversely affecting fish and wildlife

There’s always been something fantastical about imagining the cities of the future.

First, it was a full-page ad in The New York Times signed by companies such as Apple, Morgan Stanley and Unilever.

One of the trickiest aspects of climate science is figuring out if a particular heat wave, flood, or drought was made more likely or severe by climate change.