How California's raging wildfires became so severe in 2020: CNBC After Hours
September 11, 2020 at 17:46 PM EDT
CNBC.com's MacKenzie Sigalos brings you the day's top business news headlines. Stanford climate scientist Noah Diffenbaugh joins After Hours today to explain why the major wildfires burning through the west coast are more bigger in 2020 than in the past.
