The 2024 Republican presidential campaign season is in full swing and candidates are stumping on a host of key issues. But one topic that’s missing from their agenda is climate change. Despite a summer of record-setting heat, new polling shows that Republican voters still don't see a warming planet as a concern. As William Brangham reports, neither do the GOP candidates who want to lead them.

The 2024 Republican presidential campaign season is in full swing and candidates are stumping on a host of key issues. But one topic that’s missing from their agenda is climate change. Despite a summer of record-setting heat, new polling shows that Republican voters still don’t see a warming planet as a concern. As William Brangham reports, neither do the GOP candidates who want to lead them.