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Concentration of CO2 in the Atmosphere

September 15 Green Energy News

Science and Technology:

  • Wind farms can interfere with ground radar systems due to turbine blades returning a radar signal that can be mistaken as an aircraft or weather pattern. New technology is being used in some Vestas turbines to reduce problems with radar. [Energy Matters]
  • The director-general of the International Renewable Energy Agency says in REthinking Energy — the first edition in a new IRENA series — that solar PV costs fell by two-thirds between the end of 2009 and 2013 – “a speed of change comparable to that seen in the IT revolution.” []


  • At least 150 major companies worldwide – including ExxonMobil, Google, Microsoft and 26 others in the United States – are already making business plans that assume they will be taxed on their carbon pollution, a report today says. [USA TODAY]
  • A pioneering new school project was opened in South Africa’s Gauteng Province. Harnessing the latest renewable energy technologies, the solar-powered internet school connects teachers and pupils to the internet, bringing them into the digital age. [The Guardian]
  • Irrigators from around Australia have met to discuss how they can cope with rising electricity prices. Power prices in most Australian states have doubled over the past seven years, with higher network charges making up much of the increased costs. [ABC Online]
  • More than 15,000 Australian businesses have installed solar power to reduce energy bills, and there is the potential for tens of thousands more to do so if the RET remains unchanged, the Clean Energy Council has said. [EcoGeneration]
  • Leading environmentalists from 44 countries have teamed up to call on foundations and philanthropists around the world to use endowments worth billions of dollars to turn the tide on global warming. [reNews]
  • Eight UK wind power companies are launching a campaign aimed at dispelling myths around onshore wind power, specifically to convince MPs that it is the cheapest and one of the most popular forms of renewable energy. [Business Green]
  • A controversial windfarm has been given the go ahead by the UK government. The Clocaenog Forest Wind Farm was given permission by the planning inspectorate to start work on the project. It will see 32 wind turbines erected in the Clocaenog forest near Ruthin. [News North Wales]


  • The U.S. Navy and the University of Hawaii have formed a partnership to work on a $2.5 million energy research project to come up with a power grid modernization strategy and action plan to meet the future needs of the Navy in Hawaii. [Pacific Business News]
  • A new poll said 88% of Wisconsin voters support an increase in solar energy use, and similar figures were recorded for biomass energy and wind power. One prominent environmentalist says voters clearly believe using more renewable energy would lead to more jobs in the state. [Public News Service]

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