Biden pledges to double U.S. spending on global climate fight
President Biden this week pledged to double the amount of money spent to help poorer nations battle climate change. The U.S. is now vowing to spend more than $11 billion a year by 2024 on climate aid. Steven Mufson, a reporter covering the business of climate change for The Washington Post, joins CBSN's Lana Zak to discuss.