1.0Gizmodo Australiahttps://gizmodo.com.auMaddie Stonehttps://gizmodo.com.au/author/maddiestone-usa/rich600338<blockquote class="wp-embedded-content" data-secret="vXJM07bDgx"><a href="https://gizmodo.com.au/2019/06/the-gateway-protecting-the-arctics-oldest-sea-ice-has-collapsed-months-ahead-of-schedule/">The Gateway Protecting The Arctic’s Oldest Sea Ice Has Collapsed Months Ahead Of Schedule</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://gizmodo.com.au/2019/06/the-gateway-protecting-the-arctics-oldest-sea-ice-has-collapsed-months-ahead-of-schedule/embed/#?secret=vXJM07bDgx" width="600" height="338" title="“The Gateway Protecting The Arctic’s Oldest Sea Ice Has Collapsed Months Ahead Of Schedule” — Gizmodo Australia" data-secret="vXJM07bDgx" 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); </script> https://gizmodo.com.au/wp-content/uploads/2019/06/27/t01mik0whggmxkyp7oa1.jpg?quality=7524501374Every summer as the Arctic warms up, seasonal highways open on the ocean, allowing sea ice to migrate southward and melt. Now, satellite data is revealing that the gateway to one critical highway – the Nares Strait dividing northwest Greenland and Canada’s Ellesmere Island – has broken up months ahead of schedule. And that could […]