A string of Green Party victories and strong electoral showings across Germany, from the conservative south to the port cities of the north, are helping to redefine politics among voters who are increasingly losing faith in the more established parties.

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“Nothing in our political science books has prepared us for this kind of party,” said Josef Joffe, publisher of the weekly newspaper Die Zeit, who noted that the Greens have won the culture war on the left over the rusty Social Democrats on issues like gay rights and the integration of immigrants. “I bet if you had a party like this in America, all my rich friends on both coasts would vote for it.”

Although their roots are on the left, the Greens are being increasingly embraced by voters on the right, successfully tapping into a German strain of conservationist conservatism by opposing highways and the demolition of old buildings. It has benefited both from the slow collapse of European socialism and the rising awareness of renewable technologies that have brought even once-skeptical businesspeople into the fold.