As power grids rely more on renewable energy sources like wind and solar, balancing energy supply and demand becomes more challenging. A new analysis shows how water systems, such as desalination plants and wastewater treatment facilities, could help enhance grid stability and create new revenue streams.

Soaring human demand for krill in the Southern Ocean poses a challenge to the recovery of whale species once hunted nearly to extinction. Stanford researchers identify the growing food conflict and offer solutions.

Methane concentrations in Earth’s atmosphere increased at record speed over the past five years. At least two-thirds of annual methane emissions now come from human activities, including fossil fuel use, agriculture, and landfills and other waste.