Peter Dauvergne

"McDonald's promises to use only beef, coffee, fish, chicken, and cooking oil obtained from sustainable sources. Coca-Cola promises to achieve water neutrality. Unilever has set a deadline of 2020 to reach 100 percent sustainable agricultural sourcing. Walmart has pledged to become carbon neutral. Today, big-brand companies seem to be making commitments that go beyond the usual "greenwashing" efforts undertaken largely for public relations purposes....