a British political party that aims to protect the environment. It is against the use of nuclear power and other forms of industry and transport that it considers harmful. It was formed in 1973 as the PEOPLE Party, and changed its name to the Ecology Party in 1975 and then to the Green Party in 1985. 

a US political party formed in 1996 as the Association of State Green Parties. It changed its name to the Green Party of the United States in 2001. It aims to protect the environment and supports social justice. 

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