A study found a Wisconsin program that pays producers for measured reductions in phosphorus runoff was more cost-effective than a popular federal conservation program.

As farmers face financial uncertainty, the Trump administration has moved to end protections on gray wolves that sometimes prey on livestock. But experts question if it’s the right move for the species.

The Trump administration is narrowing longstanding interpretations of what it means to harm plants and animals protected under the Endangered Species Act. Conservation experts say the change will pose greater challenges for already-vulnerable populations, and several groups have sued the administration.

Schools in the U.S. serve almost 30 million lunches every day. But rising food costs, regulations and cuts to food assistance mean school kitchens have to do more with less.