The Green Party recently secured a historic triumph in the city council election in Stuttgart and appears to be establishing itself as a major political force even in areas that traditionally vote conservative.It is most popular among well-off but environmentally conscious people between the ages of 25 and 50. Their mentality is: living comfortably but sustainably. People & Politics talked to Green politicians and voters, and looks at how other major parties are responding to relentless rise of the Greens.