SFBT Monday Digest: City workers go back to the office; Big snarl at SFO

Good morning, Bay Area. The United Nations climate summit opened Monday with the Biden administration putting forth its plan for the U.S. to reach net-zero emissions by 2050. Here in the Bay Area, it's cloudy with cold November rain on its way. Here's a look at all the local business news to kick things off. All municipal S.F. employees will be required to come back to the office starting Monday after a year and a half of working from home. The Nov. 1 return-to-work date is also the same day…