Winona LaDuke (born August 18, 1959) is an American economist, environmentalist, writer and industrial hemp grower, known for her work on tribal land claims and preservation, as well as sustainable development. In 1996 and 2000, she ran for Vice President of the United States as the nominee of the Green Party of the United States, on a ticket headed by Ralph Nader. She is the executive director and a co-founder (along with the Indigo Girls) of Honor the Earth, a Native environmental advocacy organization that played an active role in the Dakota Access Pipeline protests.