The two main winners of Switzerland’s parliamentary elections have recorded a marked increase in the number of registered members. A survey by the Swiss news agency, Keystone-SDA, found that the left-wing Greens and the centrist Liberal Green Party both boosted their membership by about 25%. The Greens now have about 10,500 registered members while the smaller Liberal Greens say they grew to have 5,100 members. Both groups attribute their success to a political agenda notably focused on environmental and climate issues, as well as their clear stance against right-wing populism. The four main parties lost between 0.3% and 3.8% in last October’s elections. The small centre-right Conservative Democratic, which saw its share of the vote drop to 1.7%, said the number of members declined by 500 to 5,500. The right-wing People’s Party, the biggest group in the House of Representatives, currently has about 80,000 members, the left-wing Social Democrats have just over 31,000, ...