{"id":24888,"date":"2011-03-11T19:01:30","date_gmt":"2011-03-11T19:01:30","guid":{"rendered":"http:\/\/scienceblogs.com\/gregladen\/2011\/03\/11\/the-class-m-carbon-counter\/"},"modified":"2011-03-11T19:01:30","modified_gmt":"2011-03-11T19:01:30","slug":"the-class-m-carbon-counter","status":"publish","type":"post","link":"https:\/\/gregladen.com\/blog\/2011\/03\/11\/the-class-m-carbon-counter\/","title":{"rendered":"The Class-M Carbon Counter"},"content":{"rendered":"<p>A planet is considered &#8220;Class M&#8221; if it can sustain human life<sup>1<\/sup>.  We live on a Class M planet.   However, the conditions that make a planet conducive to life may change over time, so it is important to have instrumentation and gauges and stuff that will keep track of important variables.<\/p>\n<p>It is estimated that when about one trillion tonnes of fossil carbon is released into the atmosphere by human activities, we will have reached a critical point, at which time we may have to leave the planet<sup>2<\/sup>.<\/p>\n<p>We&#8217;re nearly half way there.<\/p>\n<p>James Hrynyshyn at the blog Class: M has devised  a sort of tricorder that keeps track of the carbon release count-down, and embedded it on the left sidebar of his blog.  <a href=\"http:\/\/scienceblogs.com\/classm\/\">Go have a look. <\/a><br \/>\n<!--more--><\/p>\n<hr \/>\n<p><sup>1<\/sup>That is, of course, a reference to Star Trek and is not real.<br \/>\n<sup>2<\/sup>We won&#8217;t, however, be able to.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A planet is considered &#8220;Class M&#8221; if it can sustain human life1. We live on a Class M planet. However, the conditions that make a planet conducive to life may change over time, so it is important to have instrumentation and gauges and stuff that will keep track of important variables. It is estimated that &hellip; <a href=\"https:\/\/gregladen.com\/blog\/2011\/03\/11\/the-class-m-carbon-counter\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">The Class-M Carbon Counter<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"1","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[5020],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p5fhV1-6tq","jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/gregladen.com\/blog\/wp-json\/wp\/v2\/posts\/24888"}],"collection":[{"href":"https:\/\/gregladen.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gregladen.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gregladen.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gregladen.com\/blog\/wp-json\/wp\/v2\/comments?post=24888"}],"version-history":[{"count":0,"href":"https:\/\/gregladen.com\/blog\/wp-json\/wp\/v2\/posts\/24888\/revisions"}],"wp:attachment":[{"href":"https:\/\/gregladen.com\/blog\/wp-json\/wp\/v2\/media?parent=24888"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gregladen.com\/blog\/wp-json\/wp\/v2\/categories?post=24888"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gregladen.com\/blog\/wp-json\/wp\/v2\/tags?post=24888"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}