This week US presidential candidates Kamala Harris and Donald Trump have been digging into economics, talking about inflation and issues like price gouging. So far in their campaigns, though, one big topic has gone almost unmentioned: climate. Bianna Golodryga speaks to Gina McCarthy, who served as EPA administrator and then as inaugural White House National Climate Adviser, where she helped craft the Inflation Reduction Act.?

Also on today's show: Caitlin Dickerson, Staff Writer, The Atlantic & Lynsey Addario, Photojournalist; Demis Hassabis, Co-founder and CEO of Google DeepMind?