For more than a year, giant rodent invaders with orange-hued teeth have munched through California’s marshland, threatening significant damage to the state’s wetlands and water infrastructure.

Nutria — large, web-footed mammals native to South America that resemble beavers — showed up in Merced...

Anyone can turn a yard or even a few pots into beautiful food, says Los Angeles gardening guru Lauri Kranz.

“We really want to empower people to grow their own food and not be overwhelmed about having to know everything before they even begin,” add the author of the new book “A Garden Can Be Anywhere.”

Under pressure from Congress, the Environmental Protection Agency said Thursday it would move toward setting safety limits for a class of highly toxic chemicals contaminating drinking water around the country. Environmentalists, congressional Democrats and state officials countered that the agency...