Restoring San Francisco Bay’s wetlands one native plant at a time

The San Francisco Bay’s wetlands are disappearing at an alarming rate due to encroaching development, leaving the local ecosystem at risk. Moreover, the wetlands can store as much carbon as a tropical rainforest, an invaluable asset in the effort to slow global warming. Sonia Aronson of the PBS NewsHour Student Reporting Labs takes a look at a new and contentious proposed tax to save the bay.