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What is happening to chinese coal? What does it mean for the Paris Agreement? / Thomas Spencer, Climate 365, 12/02/2016The economic transition underway in China is desirable, even if it contains significant risks and new challenges for Chinese climate policies. China will indeed soon be reaching (or has already reached) peak coal. Yet drivers of strong investment in coal power continue. In the long term, the policy challenge in China will shift from stopping new coal to closing existing coal, and addressing the social, economic and political challenges that go with this... lire2015 risque d’être l’année du pic pétrolier et des limites physiques de la croissance / Matthieu Auzanneau, Oil Man, 11/02/2016Du maximum à l'optimum : sortir du pétrole, deux degrés ou de force. 2015 pourrait se révéler être l’année du pic pétrolier et 2016 l'année du début du déclin, si les pétroliers devaient continuer à renoncer à leurs investissements à cause de l’effondrement des cours du brut... lireWill Peak Oil or Renewables Make Climate Change Moot? / Timothy Taylor, Conversable Economist, 12/02/2016Hopeful onlookers sometimes point to two possible escape hatches from the problems of burning fossil fuels. One escape hatch is "peak oil"--that is, the argument that production of fossil fuel resources is near or its peak. In this view, the impending fall in fossil fuel production might well bring higher prices and other economic hardship, but at least emissions from burning fossil fuels would drop. The other escape hatch is a large rise in cost-competitive non-carbon sources of energy, like solar and wind, but also nuclear and hydroelectric power. If these sources of energy undercut fossil fuels on price, then the economy could make a transition away from fossil fuels to an economy that used on cheaper and abundant energy from these other sources... lireLes forêts tropicales, des « puits de carbone » hautement vulnérables / Ghislain Vieilledent, chercheur CIRAD, the Conversation, 11/02/2016Les forêts tropicales jouent un rôle important dans la régulation du climat à l’échelle mondiale en constituant des « puits de carbone » : elles absorbent, via la photosynthèse, le CO2 de l’atmosphère et le conserve sous forme de biomasse (le bois)... lire