{"id":22309,"date":"2021-06-07T05:26:06","date_gmt":"2021-06-07T05:26:06","guid":{"rendered":"https:\/\/northmoregordon.com\/?post_type=glossary&#038;p=22309"},"modified":"2021-06-10T04:02:55","modified_gmt":"2021-06-10T04:02:55","slug":"greenhouse-gas-ghg","status":"publish","type":"glossary","link":"https:\/\/northmoregordon.com\/glossary\/greenhouse-gas-ghg\/","title":{"rendered":"GHG"},"content":{"rendered":"\n<p>Greenhouse gases trap heat in the atmosphere. They all have different global warming potentials (GWP) over different time frames, the higher the number, the worse the impact. For simplicity of accounting everything is referenced back to carbon dioxide which has a global warming potential of 1. There are over 200 GHGs listed in the IPCC fifth assessment report, a sample are below. Note that in current carbon accounting standards the 100 year GWP is used. <\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Greenhouse gas&nbsp;<\/td><td>20 year GWP<\/td><td>100 year GWP<\/td><\/tr><tr><td>Carbon dioxide CO<sub>2<\/sub><\/td><td>1<\/td><td>1<\/td><\/tr><tr><td>Methane CH<sub>4<\/sub><\/td><td>84<\/td><td>28<\/td><\/tr><tr><td>Hydrofluorocarbon HFC-134a<\/td><td>3710<\/td><td>1300<\/td><\/tr><tr><td>Chlorofluorocarbon CFC-11<\/td><td>6900<\/td><td>4660<\/td><\/tr><tr><td>Nitrous Oxide N<sub>2<\/sub>O<\/td><td>264<\/td><td>265<\/td><\/tr><tr><td>Sulfur hexafluoride SF<sub>6<\/sub><\/td><td>17,500<\/td><td>23,500<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Greenhouse gases trap heat in the atmosphere. They all have different global warming potentials (GWP) over different time frames, the higher the number, the worse the impact. For simplicity of accounting everything is referenced back to carbon dioxide which has a global warming potential of 1. There are over 200 GHGs listed in the IPCC&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"template":"","glossary-cat":[],"class_list":["post-22309","glossary","type-glossary","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.3 (Yoast SEO v25.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>GHG - Northmore Gordon<\/title>\n<meta name=\"description\" content=\"Greenhouse gases trap heat in the atmosphere. 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