Wind Energy Energy from Moving Air A Renewable Resource.

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Presentation transcript:

Wind Energy Energy from Moving Air A Renewable Resource

For what is it used? Mainly used to generate electricity In the past, wind energy was used to turn mill stones to grind wheat and other grains

How is wind energy formed? Wind is caused by the uneven heating of air causing convection currents. Turbines use blades to collect the wind’s kinetic energy.

Benefits Clean No air or water pollution Wind is free! Domestic wind turbines are relatively inexpensive to buy and installDomestic wind turbines Wind turbines don’t require a large area of space even when of an industrial size. This allows the land beneath to be used, for example, for agriculture Excess electricity can be sold to energy companiessold to energy companies

Problems Wind is not constant Wind turbines are not suitable for all locations Large wind turbines in particular can be noisy, although this has improved Negative effect on wild bird and bat populations and the visual impact on the landscape.