1.0Carbon Briefhttps://www.carbonbrief.orgthomas harrissonhttps://www.carbonbrief.org/author/thomasharrissonrich600338<blockquote class="wp-embedded-content"><a href="https://www.carbonbrief.org/daily-brief/coronavirus-air-pollution-and-co2-fall-rapidly-as-virus-spreads">Coronavirus: Air pollution and CO2 fall rapidly as virus spreads</a></blockquote> <script type='text/javascript'> <!--//--><![CDATA[//><!-- /*! This file is auto-generated */ !function(c,d){"use strict";var e=!1,n=!1;if(d.querySelector)if(c.addEventListener)e=!0;if(c.wp=c.wp||{},!c.wp.receiveEmbedMessage)if(c.wp.receiveEmbedMessage=function(e){var t=e.data;if(t)if(t.secret||t.message||t.value)if(!/[^a-zA-Z0-9]/.test(t.secret)){for(var r,a,i,s=d.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),n=d.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),o=0;o<n.length;o++)n[o].style.display="none";for(o=0;o<s.length;o++)if(r=s[o],e.source===r.contentWindow){if(r.removeAttribute("style"),"height"===t.message){if(1e3<(i=parseInt(t.value,10)))i=1e3;else if(~~i<200)i=200;r.height=i}if("link"===t.message)if(a=d.createElement("a"),i=d.createElement("a"),a.href=r.getAttribute("src"),i.href=t.value,i.host===a.host)if(d.activeElement===r)c.top.location.href=t.value}}},e)c.addEventListener("message",c.wp.receiveEmbedMessage,!1),d.addEventListener("DOMContentLoaded",t,!1),c.addEventListener("load",t,!1);function t(){if(!n){n=!0;for(var e,t,r=-1!==navigator.appVersion.indexOf("MSIE 10"),a=!!navigator.userAgent.match(/Trident.*rv:11\./),i=d.querySelectorAll("iframe.wp-embedded-content"),s=0;s<i.length;s++){if(!(e=i[s]).getAttribute("data-secret"))t=Math.random().toString(36).substr(2,10),e.src+="#?secret="+t,e.setAttribute("data-secret",t);if(r||a)(t=e.cloneNode(!0)).removeAttribute("security"),e.parentNode.replaceChild(t,e)}}}}(window,document); //--><!]]> </script><iframe sandbox="allow-scripts" security="restricted" src="https://www.carbonbrief.org/daily-brief/coronavirus-air-pollution-and-co2-fall-rapidly-as-virus-spreads/embed" width="600" height="338" title="“Coronavirus: Air pollution and CO2 fall rapidly as virus spreads” — Carbon Brief" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe>BBC News reports on “significant drops” in levels of air pollution and CO2 over some cities and regions, where the coronavirus pandemic response has affected work and travel. It says researchers in New York found levels of carbon monoxide, which mainly comes from car exhausts, had dropped by nearly 50% and concentrations of CO2 over the city had also fallen “sharply”, by 5-10%.