Two is boring, but four is a party: Environmental politics with the Libertarian and Green parties

Political third-party logos

A sampling of political third party logos: Green Party (top left), Constitution Party (center left), Patriot Party (center right), Pirate Party (top right), Socialist Party (bottom left), Libertarian Party (center left), New Whig Party (center right), and Justice Party (bottom right). (Democracy Chronicles/Creative Commons)

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