1.0GreenBlue Urbanhttps://greenblue.com/gb/Hannah Cookhttps://greenblue.com/gb/author/hannah-cook/rich600338<blockquote class="wp-embedded-content" data-secret="psVB3oJ9BM"><a href="https://greenblue.com/gb/worlds-sustainable-cities/">The World’s Most Sustainable Cities</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://greenblue.com/gb/worlds-sustainable-cities/embed/#?secret=psVB3oJ9BM" width="600" height="338" title="“The World’s Most Sustainable Cities” — GreenBlue Urban" data-secret="psVB3oJ9BM" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://greenblue.com/wp-includes/js/wp-embed.min.js </script> https://greenblue.com/wp-content/uploads/2016/10/87516599_thumbnail-large.jpg1390539Sustainability… Perhaps one of the most overused buzzwords of the 21st Century. But what does it actually mean, and why is it so critical? More importantly, what cities are doing it right and making a real impact on not only regional, but global sustainability? This article looks into these points and discusses how green infrastructure plays […]