Wind energy provides a sustainable alternative to fossil fuels and nuclear power  There is little doubt that the current mix of energy provision is simply unsustainable. Fossil fuels are simply too damaging to the environment and nuclear is just too expensive. Wind power is an established technology providing, for example, 21% of electricity in Denmark. [i]  The research is already done and can be made available around the world.  Once externalities are taken into account nuclear energy is the single most expensive way of producing a therm. Clean coal is, frankly, a myth and the trend for oil and gas is constantly upwards in term of price.  Other renewables are embryonic technologies fraught with development costs whereas wind is an established technology already providing a significant share of the energy mix in several developed economies.  [i] World Wind Energy Association, World Wind Energy Report 2010, April 2010, p.5