Sustainable solutions need to come from cities: #Paris Mayor @Anne_Hidalgo on #climatechange

Sustainable solutions need 2 come frm #cities: #Paris Mayor Hidalgo on #climatechange https://t.co/bHUEfkbDiM #COP21 pic.twitter.com/P7w2scMYLb

— OECD (@OECD) 2 Décembre 2015