CO2: 418.94 ppmBaby salmon are dying by the thousands in California's Klamath River river, and an entire run of endangered salmon could be wiped the Sacramento River.
Blistering heat waves and extended drought are raising water temperatures and killing off fish from Idaho to California.
SAN FRANCISCO (AP) — Baby salmon are dying by the thousands in one California river, and an entire run of endangered salmon could be wiped out in another. Fishermen who make their living off adult salmon, once they enter the Pacific Ocean, are sounding the alarm as blistering heat waves and extended drought in the U.S.