As the pandemic slammed the brakes on the nation's economy in 2020, America's greenhouse gas emissions reached their lowest levels in at least three decades. However, as the world, and the economy re-opened, 2021 told a much different story as emissions surged. Biden's flagship 'Build Back Better' act involves billions in spending on electric cars and renewables, in an effort to cut U.S. emissions, experts are still skeptical that the nation will meet the current 2030 target. Andrew Dessler, professor of atmospheric sciences at Texas A&M University, joins Cheddar News.