The Healthy Lungs for Heroes Act was introduced by Democratic California Senator Adam Schiff and Republican Utah Senator John Curtis. If passed, the U.S. Department of Agriculture and other federal officials would have one year to develop a plan to make “commercially available appropriate respiratory personal protective equipment for wildland firefighters and supporting staff in settings in which smoke exposure surpasses covered permissible exposure limits.”

A new study in the journal Science suggests rivers in the arid American West may be doing something unexpected: absorbing carbon dioxide from the atmosphere. The finding could reshape how scientists model climate change.