The spread of tawny crazy ants may be driven, in part, by their need for calcium.

Anti-nutrients naturally occur in food and can block the amount of other nutrients available for your body to use. But their effects aren't all bad, which is why they're undergoing an image makeover.

An international agreement has set an ambitious deadline for action on some of the biggest problems facing the world's oceans.

New research shows that one-third of yearly nitrogen runoff from Midwest farms to the Gulf of Mexico occurs during a few heavy rainstorms. New fertilizing schedules could reduce nitrogen pollution.

To avoid global warming on a catastrophic scale, nations need to reduce emissions and find ways to pull carbon from the air. One promising solution: spreading rock dust on farm fields.

Cuba's sustainable approach to farming has protected its rivers from the kind of nutrient pollution that impairs many US waterways.

Warmer waters, heavier storms and nutrient pollution are a triple threat to Great Lakes cities' drinking water. The solution: Cutting nutrient releases and installing systems to filter runoff.

An analysis of 114 homemade cat food recipes finds that none measure up.