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The Changing Climate on Climate Change / Gro Harlem Brundtland, Project Syndicate, 17/09/2015In the early 1990s, when I was Prime Minister of Norway, I once found myself debating sustainable development with an opposition leader who insisted that I tell him the government’s single most important priority in that field. Frustrated, I replied that what he was asking was impossible to answer. I concluded our exchange by explaining why: “Because everything is connected to everything.”… lire la suiteEconomic impacts of climate change: New evidence / Richard S J Tol, Vox, 17 September 2015The international climate negotiations have moved away from targets such as keeping warming below 2°C in favour of more realistic goals. This column presents new evidence on the economic impacts of climate change. The initial impacts of climate change on welfare might be positive, but in the long run the negative effects dominate, and will be substantially higher in poor countries. Poverty reduction therefore complements greenhouse gas emissions reduction as a means to reduce the impacts of climate change... lire la suiteUn climat sous influence ?, CNRS le journal, 15/09/2015Alors que se profile la COP21, une expérience de crowdsourcing cherche à identifier l'influence de centaines d'organisations (ONG, multinationales, etc.) sur la politique climatique de l’Europe. Le mathématicien Antoine Mandel nous en dit plus sur cet outil destiné à être utilisé par les citoyens sur bien d‘autres sujets... lire la suiteUnsustainable Development Goals / Bjørn Lomborg, Project Syndicate, 15/09/2015At the end of this month, one of the most consequential political conferences of the decade will take place, with more than 150 world leaders gathering in New York to set the path for global development spending – more than $2.5 trillion – between now and 2030... lire la suite