Unusable fossil fuels

There is a global goal to limit CO2 emissions to ensure that global warming is limited to no more than 2 degrees centigrade more than present levels. In this http://odb.outbrain.com/utils/get?url=http%3A%2F%2Fwww.bbc.com%2Fnews%2Fscience-environment-30709211&settings=true&recs=true&widgetJSId=TR_1&key=NANOWDGT01&idx=4&version=232118&ref=http%3A%2F%2Fwww.bbc.com%2Fnews%2Fscience-environment-31872460&apv=true&sig=EZXJpsoA&format=html&rand=80390&lsd=ce1cf572-4818-4f8c-a873-b01ad5f40148&t=MV81YWJkYmY2NGYxNjVmNDg4NmFjMWM1MzE5ODk1YzM4Yl8w&winW=1223&winH=581http://odb.outbrain.com/utils/get?url=http%3A%2F%2Fwww.bbc.com%2Fnews%2Fscience-environment-30709211&settings=true&recs=true&widgetJSId=AR_4&key=NANOWDGT01&idx=3&version=232118&ref=http%3A%2F%2Fwww.bbc.com%2Fnews%2Fscience-environment-31872460&apv=false&sig=EZXJpsoA&format=html&rand=43566&lsd=ce1cf572-4818-4f8c-a873-b01ad5f40148&t=MV81YWJkYmY2NGYxNjVmNDg4NmFjMWM1MzE5ODk1YzM4Yl8w&winW=1223&winH=581http://cdn.krxd.net/user_data/segments/3?pubid=5d7aaa39-eeed-454f-bb7d-ecea38d770fc&callback=Krux.ns._default.kxjsonp_userDatahttp://beacon.krxd.net/optout_check?callback=Krux.ns._default.kxjsonp_optOutCheckhttp://me-cdn.effectivemeasure.net/em.jshttp://odb.outbrain.com/utils/get?url=http%3A%2F%2Fwww.bbc.com%2Fnews%2Fscience-environment-30709211&settings=true&recs=true&widgetJSId=AR_3&key=NANOWDGT01&idx=2&version=232118&ref=http%3A%2F%2Fwww.bbc.com%2Fnews%2Fscience-environment-31872460&apv=false&sig=EZXJpsoA&format=html&rand=40320&lsd=ce1cf572-4818-4f8c-a873-b01ad5f40148&t=MV81YWJkYmY2NGYxNjVmNDg4NmFjMWM1MzE5ODk1YzM4Yl8w&winW=1223&winH=581http://odb.outbrain.com/utils/get?url=http%3A%2F%2Fwww.bbc.com%2Fnews%2Fscience-environment-30709211&settings=true&recs=true&widgetJSId=AR_2&key=NANOWDGT01&idx=1&version=232118&ref=http%3A%2F%2Fwww.bbc.com%2Fnews%2Fscience-environment-31872460&apv=false&sig=EZXJpsoA&format=html&rand=12203&lsd=ce1cf572-4818-4f8c-a873-b01ad5f40148&t=MV81YWJkYmY2NGYxNjVmNDg4NmFjMWM1MzE5ODk1YzM4Yl8w&winW=1223&winH=581http://odb.outbrain.com/utils/get?url=http%3A%2F%2Fwww.bbc.com%2Fnews%2Fscience-environment-30709211&settings=true&recs=true&widgetJSId=AR_1&key=NANOWDGT01&idx=0&version=232118&ref=http%3A%2F%2Fwww.bbc.com%2Fnews%2Fscience-environment-31872460&apv=false&sig=EZXJpsoA&format=html&rand=16981&lsd=ce1cf572-4818-4f8c-a873-b01ad5f40148&winW=1223&winH=581BBC News article – “Most fossil fuels ‘unburnable’ under 2C climate target” –  about a new report from the scientific journal Nature, the following conclusion based on computer modelling is made:http://www.googletagservices.com/tag/js/gpt.js//cdn.krxd.net/ctjs/controltag.js.3b90e5a6f48ce0db82eee20c2ac6f129http://cdn.krxd.net/controltag?confid=JZTWpGsM// // // // -1){this.setFig(a,{no:1})}else{if(b){b=this.deserialise(decodeURIComponent(RegExp.$1));this.setFig(a,b)}e.write(‘”)}},confirm:function(a){a=a||window;if(a.orb&&a.orb.fig&&a.orb.fig(“no”)){this.setNoFigCookie(a)}if(a.orb===undefined||a.orb.fig===undefined){this.setFig(a,{no:1});this.setNoFigCookie(a)}},setNoFigCookie:function(a){a.document.cookie=”ckns_orb_nofig=1; expires=”+new Date(new Date().getTime()+1000*60*10).toGMTString()+”;”},setFig:function(a,b){(function(){var c=b;a.orb=a.orb||{};a.orb.fig=function(d){return(arguments.length)?c[d]:c}})()},deserialise:function(b){var a={};b.replace(/([a-z]{2}):([0-9]+)/g,function(){a[RegExp.$1]=+RegExp.$2});return a}}})();fig.manager.include();
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Most of the world’s fossil fuel reserves will need to stay in the ground if dangerous global warming is to be avoided, modelling work suggests. Over 80% of coal, 50% of gas and 30% of oil reserves are “unburnable” under the goal to limit global warming to no more than 2C, say scientists…. This raises huge dilemmas for countries seeking to exploit their natural resources amid attempts to strike a global deal on climate change:

  • The Middle East would need to leave about 40% of its oil and 60% of its gas underground
  • The majority of the huge coal reserves in China, Russia and the United States would have to remain unused
  • Undeveloped resources of unconventional gas, such as shale gas, would be off limits in Africa and the Middle East, and very little could be exploited in India and China
  • Unconventional oil, such as Canada’s tar sands, would be unviable.

The research also raises questions for fossil fuel companies about investment in future exploration, given there is more in the ground than “we can afford to burn”.

_80117067_fossil_fuel_reserves_624gr

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