{"id":487,"date":"2008-05-01T10:03:28","date_gmt":"2008-05-01T15:03:28","guid":{"rendered":"http:\/\/blogs.edf.org\/climate411\/2008\/05\/01\/ghg_rise_accelerating\/"},"modified":"2008-05-01T10:03:28","modified_gmt":"2008-05-01T15:03:28","slug":"ghg_rise_accelerating","status":"publish","type":"post","link":"https:\/\/blogs.edf.org\/climate411\/2008\/05\/01\/ghg_rise_accelerating\/","title":{"rendered":"CO<sub>2<\/sub> and Methane Rose Sharply in 2007"},"content":{"rendered":"<p><img src='https:\/\/blogs.edf.org\/climate411\/wp-content\/blogs.dir\/7\/files\/2008\/04\/lisa_moore.jpg' alt='Lisa Moore' height=\"80\" align=\"left\" hspace=\"8\" class=\"blogAuthorPic\" \/><i>This post is by <a href=\"http:\/\/www.environmentaldefense.org\/page.cfm?tagID=404\">Lisa Moore, Ph.D.<\/a>, a scientist in the Climate and Air program at Environmental Defense Fund.<\/i><\/p>\n<p><img src='https:\/\/blogs.edf.org\/climate411\/wp-content\/blogs.dir\/7\/files\/2008\/04\/co2growth.jpg' alt='Atmospheric CO2 is rising at an accelerating rate over time.' width=\"300\" align=\"right\" hspace=\"8\" class=\"blogImgRight\" \/>Last week, NOAA released some disheartening numbers: both <a href=\"http:\/\/www.noaanews.noaa.gov\/stories2008\/20080423_methane.html\">CO<sub>2<\/sub> and methane increased sharply last year<\/a>. Growth rates are increasing (see graph to the right).<\/p>\n<p>The CO<sub>2<\/sub> numbers weren&#8217;t a surprise. A paper with similar findings was published last November by a team that included a NOAA scientist. I wrote a blog post summarizing the study, which analyzed the reasons behind the trend (see <a href=\"https:\/\/blogs.edf.org\/climate411\/2007\/11\/06\/carbon_rising_faster\/\">Rise of Atmospheric Carbon is Accelerating<\/a>).<\/p>\n<p>The methane numbers, however, were disturbing. Until this year, methane levels have been essentially unchanged since 1998.<\/p>\n<p><!--more--><\/p>\n<p>Scientists worry that <a href=\"https:\/\/blogs.edf.org\/climate411\/2007\/08\/09\/russian_flag\/\">melting permafrost could release large amounts of methane<\/a>, setting off a dangerous <a href=\"https:\/\/blogs.edf.org\/climate411\/2008\/02\/29\/forcings_and_feedbacks\/\">feedback process<\/a>. Fortunately, last year&#8217;s methane increase doesn&#8217;t appear to come from permafrost, though researchers are continuing to watch for signs.<\/p>\n<p>The rise in methane, scientists think, is most likely from &quot;rapidly growing industrialization in Asia and rising wetland emissions in the Arctic and tropics.&quot;<\/p>\n<p>These accelerating increases in greenhouse gas pollution are a reminder that we can&#8217;t be complacent about global warming. Also, non-CO<sub>2<\/sub> emissions can&#8217;t be ignored. We must reduce <i>all <\/i>the emissions we can control, and turn these trends around. It&#8217;s time to cap emissions!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This post is by Lisa Moore, Ph.D., a scientist in the Climate and Air program at Environmental Defense Fund. Last week, NOAA released some disheartening numbers: both CO2 and methane increased sharply last year. Growth rates are increasing (see graph to the right). The CO2 numbers weren&#8217;t a surprise. A paper with similar findings was &#8230;<\/p>\n","protected":false},"author":45,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[20],"tags":[],"coauthors":[],"class_list":["post-487","post","type-post","status-publish","format-standard","hentry","category-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>CO2 and Methane Rose Sharply in 2007 - Climate 411<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.edf.org\/climate411\/2008\/05\/01\/ghg_rise_accelerating\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CO2 and Methane Rose Sharply in 2007 - Climate 411\" \/>\n<meta property=\"og:description\" content=\"This post is by Lisa Moore, Ph.D., a scientist in the Climate and Air program at Environmental Defense Fund. Last week, NOAA released some disheartening numbers: both CO2 and methane increased sharply last year. Growth rates are increasing (see graph to the right). The CO2 numbers weren&#8217;t a surprise. 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