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A State-Powered Green Revolution / Mariana Mazzucato, Professor of the Economics of Innovation, Project syndicate, 10/03/2016Discussions about building a green future tend to focus on the need to improve the generation of energy from renewable sources. But that is just the first step. Better mechanisms for storing and releasing that energy – when the sun isn’t shining, the wind isn’t blowing, or when electric cars are on the move – are also critical. And, contrary to popular belief, it is the public sector that is leading the way toward effective solutions... lireOui à un prix plancher sur le marché de gros de l’électricité ! / Jacques Percebois, Observatoire Energies d'Entreprises, 10/03/2016Les pertes de 200 millions d’euros de l’énergéticien RWE annoncées récemment témoignent de la fragilité du système sur le marché de gros de l’électricité... lireThe Role of Regional Governments in Climate Change Policy / Ibon Galarraga, Professor at Basque Centre for Climate Change (BC3), Climate science and policy, 10/02/2016There is no effective implementation of climate policies without a coordination of international agreements with local and regional governments... lire10 practical steps to create an Emissions Trading System / Pierre Guigon, Environmental Specialist at the World Bank, Development in a changing climate, 10/03/2016Carbon pricing is increasingly being used by governments and companies around the world as a key strategy to drive climate action while maintaining competitiveness, creating jobs and encouraging innovation. The importance of carbon pricing was amplified in the run up to the global climate change agreement in Paris last December... lireClimate change: from negotiations to action / John Roome, Development in a changing climate, 9/03/2016It has been nearly three months since 195 nations reached a historic agreement at COP21 in Paris to combat climate change and set the world on a path to a low carbon and more resilient future. And in a little over a month, heads of state and governments will gather in New York to sign the Paris Agreement. Countries will then have one year to ratify the agreement, which will enter into force after it is ratified by at least 55 countries, representing at least 55 percent of global greenhouse gas emissions... lireLa Taxe sur les Transactions Financières est au point mort : le climat, lui, n’attend pas / Mireille Martini, Chroniques de l'anthropocène, 9/03/2016La Taxe sur les Transactions Financières (TTF) est une bonne idée. Elle valut la notoriété à son inventeur le prix Nobel d’économie James Tobin, qui proposa de réduire la spéculation à court terme sur les marchés financiers, qu’il jugeait contre-productive, en instaurant une taxe sur les transactions de change. L’effondrement des systèmes financiers en 2008 a mis les Etats devant la facture de l’instabilité financière... lireThe Nuclear Industry Prices Itself Out Of Market For New Power Plants/ Joe Romm, Climate Progress, 8/03/2016In the modern era, nuclear power plants have almost always become more and more expensive over time. They have a “negative learning curve” — along with massive delays and cost overruns in market economies. This is confirmed both by recent studies and by the ongoing cost escalations of nuclear plants around the world, as I’ll detail in this post... lireGetting Energy Prices Right / Lucas Davis, Energy Institute at Haas blog, 7/03/2016Last month Meredith wrote about coal being too cheap and Max wrote about gasoline being too cheap. But what is the right price for energy? Nobody in recent years has done more to try to answer this question than Ian Parry, a University of Chicago trained economist now at the International Monetary Fund.  Over the last 20 years Parry has written dozens of articles on this topic, including influential work on gasoline taxes, pollution externalities, traffic congestion, and the double dividend... lireL’agriculture urbaine, qu’est-ce que c’est ? / Gwenn Pulliat, docteur en géographie, ATER, Université Aix-Marseille, the conversation, 9/03/2016Alors que s’achève le Salon de l’agriculture 2016 sur fond de crise de l’élevage et d’interrogations autour du devenir des espaces ruraux agricoles en France, des réflexions émergent autour d’un approvisionnement alternatif, plus proche, plus durable, et l’agriculture urbaine occupe dans ce courant une place de choix. Si les idées de ville et d’agriculture paraissent de prime abord antinomiques, l’usage alimentaire des espaces urbains est en réalité largement répandu à travers le monde, avec des pratiques très diversifiées... lire