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How effective are business efforts to go green?

Premiered: September 2, 2018 | 0:05:16

The investors behind your favorite brands are pushing for retailers to be more green. This means they care about their environmental and social impacts. But it isn’t always that easy to reduce a carbon footprint. PBS NewsHour Weekend speaks with Paula DiPerna, special advisor to CDP, an organization that tracks environmental disclosures by companies, to find out how environmental footprints relate to company profits.