Howard Gresham Hawkins III is an American trade unionist, environmental activist, and perennial candidate from New York. A co-founder of the Green Party of the United States, Hawkins was the party's presidential nominee in the 2020 presidential election. His ideological platform includes enacting an eco-socialist version of the Green New Deal—which he first proposed in 2010—and building a viable, independent working-class political and social movement in opposition to the country's two major political parties, and capitalism in general.

The Green Party of the United States (GPUS) is a federation of Green state political parties in the United States. The party promotes green politics, specifically environmentalism; nonviolence; social justice; participatory democracy; grassroots democracy; anti-war; anti-racism; eco-socialism. On the political spectrum, the party is generally seen as left-wing. As of 2023, it is the fourth-largest political party in the United States by voter registration, behind the Libertarian Party.