Environment November 8, 2024 5:30 pm Volunteers look to protect the San Diego River Carelessness upstream and homeless encampments regularly pollute the river, reports NBC 7’s Joe Little. US & World Videos 1:37 Program gives students hands-on experience in the veterinary field 0:34 1st Amazon Fresh store opens in San Diego County 0:48 Mountain Fire in Ventura County burns more than 14,000 acres 1:30 Why does San Diego County get Santa Ana winds? A meteorologist explains 2:30 San Diego County school districts preparing for outcome of school bond measures