Charles Hueth holds up a tagged Chinook salmon for a photo before releasing it into the San Joaquin River.
Despite concerns about mudslides in Southern California, this weekend's rain is welcome relief from the drought. Among other things, the state's tight water supplies have put environmental restoration projects in the spotlight, especially the effort to bring salmon back to the state's second longest river, the San Joaquin. Republican House Speaker John Boehner is pushing a bill to kill that project. KQED Science reporter Lauren Sommer looks at how this lack of rain is affecting one of the most ambitious restoration efforts in the state. Reporter: Lauren Sommer