<?xml version="1.0" encoding="UTF-8" standalone="yes"?><oembed><version><![CDATA[1.0]]></version><provider_name><![CDATA[Azimuth]]></provider_name><provider_url><![CDATA[https://johncarlosbaez.wordpress.com]]></provider_url><author_name><![CDATA[John Baez]]></author_name><author_url><![CDATA[https://johncarlosbaez.wordpress.com/author/johncarlosbaez/]]></author_url><title><![CDATA[Carbon Dioxide Puzzles]]></title><type><![CDATA[link]]></type><html><![CDATA[Renato Iturriaga has posed a puzzle about where the CO<sub>2</sub> entering our atmosphere is going.]]></html><thumbnail_url><![CDATA[https://i0.wp.com/www.globalwarmingart.com/images/thumb/8/88/Mauna_Loa_Carbon_Dioxide.png/450px-Mauna_Loa_Carbon_Dioxide.png?fit=440%2C330]]></thumbnail_url><thumbnail_height><![CDATA[302]]></thumbnail_height><thumbnail_width><![CDATA[440]]></thumbnail_width></oembed>