zpravodajství životního prostředí již od roku 1999

The role of renewables in the UK energy mix | Letters

The case for new nuclear power stations is fatuous now offshore wind power has come down in cost so much, says Ian Hill. Yes, writes Will Taylor, but don't forget the potential of tidal energy. Hold on a minute before rejecting nuclear, argue Tim Chittenden and Jim WatertonYour excellent editorial on the reducing cost of offshore wind power (13 September) is timely in identifying the increasingly futile case for new nuclear build. It does, however, repeat the fallacy that nuclear power "is a zero-carbon technology". The carbon emissions involved in building such immense structures, in mining and transporting uranium, and in the transport, reprocessing and storage of waste, contribute to a considerable carbon burden. Estimates vary considerably, but studies suggest that the emissions from nuclear generation could be one-10th of those of fossil fuels, but twice those of wind power.Furthermore, the need for a continuous supply is of only limited use when consumption patterns become distorted by, for example, the increased need to charge electric vehicles overnight, as your leader identifies. What is needed now, alongside continued investment in the latest generation of renewable production, is increased investment into a wide range of storage technologies, and further research and investment into the production of renewable heat. Continue reading...
Zdroj: The Guardian

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