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Hans De Keulenaer

Câble supraconducteur MT : Nexans établit un record < Energies - Enerzine.com - 0 views

  • En décembre 2009, le câble moyenne tension monophasé (24 kV) a ainsi transporté un courant de 3 200 A dans des conditions de laboratoire, un ampérage près de 10% supérieur à celui de tout câble moyenne tension installé dans le monde.
  • Le câble de démonstration, long de 30 mètres, comprenant les extrémités et l'enveloppe cryogénique associées, a fait la preuve de sa viabilité dans le laboratoire de Nexans à Hanovre.
Phil Slade

cd3wd - now available FREE on an offline 4xDVD set to Third World/Developing Countries - 4000 Electronic Books online and offline with Practical Technical Development Information for the Third World. Agriculture, Health, Education, Small Industries etc et - 3 views

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    "Cd3wd is a free but high quality collection of practical How-To Technical Development Information - helping the 3rd world to help itself. There are 4000 titles, totalling 13 gigabytes. We host cd3wd free online and we also - very importantly - make it available for free download and onward dissemination via flash ram, CD, DVD, external hard drive etc.."
Hans De Keulenaer

Looming Global-Scale Failures and Missing Institutions -- Walker et al. 325 (5946): 1345 -- Science - 0 views

  • Energy, food, and water crises; climate disruption; declining fisheries; increasing ocean acidification; emerging diseases; and increasing antibiotic resistance are examples of serious, intertwined global-scale challenges spawned by the accelerating scale of human activity. They are outpacing the development of institutions to deal with them and their many interactive effects. The core of the problem is inducing cooperation in situations where individuals and nations will collectively gain if all cooperate, but each faces the temptation to take a free ride on the cooperation of others. The nation-state achieves cooperation by the exercise of sovereign power within its boundaries. The difficulty to date is that transnational institutions provide, at best, only partial solutions, and implementation of even these solutions can be undermined by internation competition and recalcitrance.
Arabica Robusta

Climate Change Messaging: Avoid the Truth » CounterPunch: Tells the Facts, Names the Names - 1 views

  • Ted Nordhaus and Michael Shellenberger published the op-ed “Global Warming Scare Tactics” in the New York Times on April 8. Participants in recent debates over climate change may recognize their names. They’re the guys who run the Breakthrough Institute, a pseudo-contrarian “environmental research organization.”
  • While occasionally on point in its charges against the big organizations, the essay (based on interviews with mostly white male leaders of large national groups) had nothing to say about the environmental justice movement, or other grassroots groups led by women and people of color. It neglected as well the environmental movements of the Global South, today the heart of the climate justice movement.
  • Is fear of disruption of what Habermas calls the life-world the sole inducer of civic action? Of course not: social movements also cohere around other shared, negotiated understandings, identities, diagnoses of problems, and assessments of opportunities. Might fear paralyze rather than mobilize? Yes: in cases when the perceived threat appears impervious to resistance, and when commitment to the cause flags over time. Fear-based campaigns require a tangible evil: a draft card, a nuclear plant cooling tower, a polluting facility’s smoke plume, an Operation Rescue picket line.
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  • Of the massive, coordinated, ongoing effort by Exxon-Mobil, the Koch brothers, and the Heartland Institute (et al.) to do to climate science what the Tobacco Institute did to cigarette science, Nordhaus and Shellenberger have only this to say, “Some conservatives and fossil-fuel interests questioned the link between carbon emissions and global warming.” There’s no mention of how under- and mis-educated TV weathermen have been central progenitors of climate change skepticism. There’s no acknowledgement of how Big Coal, Oil and Gas have bought off local and national legislators, stalled attempts to put forward even wimpy programs (like cap and trade), or underwritten NPR’s gushing embrace of fracking.
Ako Z°om

Voiture à air comprimé, conçue par Guy Nègre - Technos-Médias : les technologies à la portée de tous - 0 views

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    des videos et une doc exhaustive sur des énergies alter aussi ...
Hans De Keulenaer

pm modi: India's ambitious climate goals: Why decarbonization of hard-to-abate sectors will be critical, Energy News, ET EnergyWorld - 1 views

  • India’s energy sector emissions are dominated by emissions from electricity production, industrial and construction activities, and transportation (See figure). And while electricity production will drive significant carbon emissions reduction, the “harder-to-abate” transportation and industry sectors will hold the key to India’s net-zero goal, and more so the 1 billion tons reduction by 2030 goal.
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    The way we look at emissions may be key to resolving the climate crisis. Interesting to observe that buildings do not even appear in the Indian taxonomy.
Hans De Keulenaer

Carbon Pricing as a Policy Instrument to Decarbonize Economies | Energy Central - 1 views

  • The study analyzed the jurisdictional characteristics of 37 countries where carbon pricing mechanisms – both carbon taxes and cap-and-trade schemes – have been implemented or proposed as a means to support decarbonization.
  • Carbon leakage does not appear to represent an economically significant obstacle.
Hans De Keulenaer

Wind power risks becoming too cheap, says top turbine maker, Energy News, ET EnergyWorld - 6 views

  • The head of Siemens Gamesa warned on Wednesday that a decade-long race to bring down the cost of generating wind power could not continue, as it would reduce the financial muscle of turbine producers to continue investing in new technologies.
  • The head of Siemens Gamesa warned on Wednesday that a decade-long race to bring down the cost of generating wind power could not continue, as it would reduce the financial muscle of turbine producers to continue investing in new technologies.
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    If we want innovation, reliability, longevity in renewables, too much focus on cost is likely to be counterproductive.
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