The Bay Area Air Quality Management District has been working to fight air pollution. Now, the agency is poised to ban the sale of natural gas-powered water heaters and furnaces. Chronicle reporter Julie Johnson joins host Cecilia Lei to discuss why that move would 'spare the air' in the Bay Area, as well as the arguments against the proposal. | Unlimited Chronicle access: sfchronicle.com/pod Got a tip, comment, question? Email us: fifth@sfchronicle.com Learn more about your ad choices. Visit megaphone.fm/adchoices