![Katja Hummer](jpg/uf23_yl_q_hummer-768x768.jpg)
Katja Hummer
Climate Policy Advisor at the Green Party of Vienna | Vienna | Austria
My first action as the mayor of my city is…to make Vienna's Ringstrasse car free.Climate Policy Advisor at the Green Party of Vienna | Vienna | Austria
My first action as the mayor of my city is…to make Vienna's Ringstrasse car free.