news report
EPA Starts Six Pacific Southwest Superfund Cleanups Covering 8 Million Cubic Yards
The work ranges from uranium-mine waste on Navajo Nation lands to residential soil replacement and groundwater treatment in California.
locations
Los Angeles
news report
NOAA Finds Cleaner Urban Air Is Unlocking an Understudied Particle Pathway
Aircraft and satellite measurements suggest falling nitrogen oxides are giving some organic molecules more time to form particle-building compounds.