Millions of American households rely on oil for heat. Growing up in New Hampshire, Kathy Hannun was familiar with this decades-old and environmentally-taxing approach. As part of Google’s innovation lab, X, she began unearthing a solution — indeed from underground... This week on How I Built This Lab, Kathy discusses how her company, Dandelion Energy, has made geothermal energy accessible for heating and cooling homes across the northeastern United States. Plus, Kathy explains why widespread adoption of geothermal heat pumps is important if we want to reach our climate goals. This episode was produced by Sam Paulson and edited by Casey Herman, with music by Ramtin Arablouei. Our audio engineer was Katherine Silva. You can follow HIBT on Twitter & Instagram, and email us at hibt@id.wondery.com. Learn more about your ad choices. Visit podcastchoices.com/adchoices