1.0Online Star Registerhttps://osr.org/nl/Teamhttps://osr.org/nl/blog/author/team/rich600338<blockquote class="wp-embedded-content" data-secret="FihfnYiNdq"><a href="https://osr.org/nl/blog/nieuws/earth-hour-zaterdagavond-alle-lichten-uit/">Earth Hour: zaterdagavond alle lichten uit!</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://osr.org/nl/blog/nieuws/earth-hour-zaterdagavond-alle-lichten-uit/embed/#?secret=FihfnYiNdq" width="600" height="338" title="“Earth Hour: zaterdagavond alle lichten uit!” — Online Star Register" data-secret="FihfnYiNdq" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! 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://osr.org/wp-includes/js/wp-embed.min.js /* ]]> */ </script> Earth Hour is een initiatief van het WNF. Het Wereld Natuur Fonds wil hiermee aandacht vragen voor de toekomst van onze aarde. Op haar website licht het WNF Earth Hour als volgt toe: Klimaatverandering Klimaatverandering is één van de grootste bedreigingen van de natuur. Doordat de aarde opwarmt, smelt de Noordpool, stijgt de zeespiegel en […]