New research says that the emissions given off by gas stoves may be responsible for 12.7 percent of cases of childhood asthma in the United States — meaning they are as harmful to health as secondhand smoke. The stoves also give off planet-warming methane, even when they're switched off. What's the best alternative to a gas stove and if you're not in a position to change yours, how can you make it safer? Plus, is the Biden administration really about to ban them?