This is an episode from our archives that was originally published in July 2023.

Millions of people in the U.S. are living in areas with dangerous levels of heat — and a growing death toll. In a new book, The Heat Will Kill You First, reporter Jeff Goodell warns that heat is pushing us into a new climate era, with dire implications for individuals, society, and our planet. Goodell spoke with Apple News In Conversation host Shumita Basu about the changes we need to make today and the reasons he still has hope for the future.