1.0thesmartcityjournal.comhttps://www.thesmartcityjournal.com/enrich600338<blockquote class="wp-embedded-content" data-secret="dVvVXwB39g"><a href="https://www.thesmartcityjournal.com/en/sustainability/in-focus-energy-and-smart-cities">In focus: Energy and smart cities</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.thesmartcityjournal.com/en/sustainability/in-focus-energy-and-smart-cities/embed#?secret=dVvVXwB39g" width="600" height="338" title="“In focus: Energy and smart cities” — thesmartcityjournal.com" data-secret="dVvVXwB39g" 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://www.thesmartcityjournal.com/wp-includes/js/wp-embed.min.js </script> https://www.thesmartcityjournal.com/wp-content/uploads/2022/08/Energy_and_smartcities.jpg1280800European cities are a hub for all sorts of activities – a pathway for study opportunities, jobs and services because of their key infrastructure and economic activity. More than three-quarters of the EU population live in urban areas and this figure is expected to rise to almost 85% by 2050. Due to their large concentration of population, urban areas also consume the largest volumes of energy and have the highest levels of greenhouse gas emissions. As the fight against climate change increasingly involve