Trump and Harris have vastly differing visions for US climate policy

The US presidential election is just weeks away and a key issue that Republican Donald Trump and Democrat Kamala Harris differ significantly is their vision for climate policy. The vice president helped usher in America's most ambitious climate initiative to date, while the former president once withdrew from the Paris Climate Agreement and could do it again. Whichever candidate prevails in November will have a major impact on global climate change efforts. Ira Spitzer with more.