{"id":27970,"date":"2009-04-30T09:57:00","date_gmt":"2009-04-30T09:57:00","guid":{"rendered":""},"modified":"2020-05-14T18:38:47","modified_gmt":"2020-05-14T18:38:47","slug":"2970-safe-climate-means-no-to-coal","status":"publish","type":"post","link":"https:\/\/dialogue.earth\/en\/uncategorized\/2970-safe-climate-means-no-to-coal\/","title":{"rendered":"\u201cSafe\u201d climate means \u201cno to coal\u201d"},"content":{"rendered":"

\nThis group of scientists says that the cumulative emissions total provides a better measure of the likely temperature rise and may present an easier target for policymakers. Without major curbs on fossil-fuel use, they say, the widely supported 2º Celsius ceiling on temperature increases probably will be reached by 2050.<\/p>\n

An analysis by Myles Allen, of the physics department at Oxford University, suggests that if emissions total more than about one trillion tonnes of carbon, the 2° threshold is likely to be breached, perhaps within a lifetime. The “trillion tonnes” analysis is one of two studies published in Nature<\/em> by a pool of researchers that includes the Oxford group and scientists from the Potsdam Institute for Climate Change Impact Research in Germany.<\/p>\n

The second study, led by Potsdam’s Malte Mainshausen, attempted to work backwards from the 2° goal, to find out what achieving it might mean in practice. It suggests that the target of halving global emissions by 2050 (from 1990 levels) would leave a significant risk of breaching the 2° target. If policymakers decided they were happy to accept a 25% chance of exceeding 2° by 2050, Mainshausen said, they must also accept that this meant cutting emissions by more than 50%.<\/p>\n

That would mean burning only about a quarter of the carbon in the world’s known, economically recoverable fossil-fuel reserves – mainly oil and natural gas. Coal would be left alone unless its emissions could be captured and stored.<\/p>\n

See full story<\/a>
\n <\/p>\n","protected":false},"excerpt":{"rendered":"

About three-quarters of the world’s fossil-fuel reserves must be left unused if dangerous climate change is to be avoided, scientists warn. Writing in the journal Nature<\/em>, the scientists say that politicians should focus on limiting humanity’s total output of carbon dioxide (CO2) rather than on setting a “safe” level for annual emissions, the BBC reported.<\/p>\n","protected":false},"author":36,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_has_post_settings":[],"footnotes":""},"categories":[1],"tags":[],"hashtags":[],"country":[],"class_list":["post-27970","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"yoast_head":"\n\u201cSafe\u201d climate means \u201cno to coal\u201d | Dialogue Earth<\/title>\n<meta name=\"description\" content=\"About three-quarters of the world’s fossil-fuel reserves must be left unused if dangerous climate change is to be avoided, scientists warn. 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