Contents contributed and discussions participated by stewartlia99 - qmstech2

shared by stewartlia99 on 05 Nov 12 - No Cached

shared by stewartlia99 on 22 Oct 12 - No Cached

Wind energy is cost-competitive with fossil fuels, especially coal. In Montana, wind energy is less expensive than coal for NorthWestern Energy--the state's largest utility.
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shared by stewartlia99 on 22 Oct 12 - No Cached

Cons:
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The purchase and set-up of wind turbines can be expensive
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Wind turbines require certain constant speeds to be productive (13 mph for large turbines, 9 mph for small turbines)
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Wind farms can't sustain constant power due to daily and seasonal variance in wind
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shared by stewartlia99 on 13 Mar 12 - No Cached

The most noticeable impact a wind turbine places upon the environment is noise pollution.
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This is down to the noise, and many people compare the sound output of a wind turbine to a small jet engine.
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Another disadvantage regarding a wind turbine and it's impact on the surrounding environment can be expressed with the term "visual impact" or "visual pollution".
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Some people believe wind turbines actually look quite nice, yet many people disagree.
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shared by stewartlia99 on 15 Mar 12 - No Cached

Wind power may also have an indirect effect on pollution at other production facilities, due to the need for reserve and regulation, and may affect the efficiency profile of plants used to balance demand and supply, particularly if those facilities use fossil fuel sources. Compared to other power sources, however, wind energy's direct emissions are low, and the materials used in construction (concrete, steel, fiberglass, generation components) and transportation are straightforward.
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Wind power's ability to reduce pollution and greenhouse gas emissions will depend on the amount of wind energy produced, and hence scalability.
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shared by stewartlia99 on 22 Oct 12 - No Cached

In addition to noise pollution wind turbines also have visual burdens.
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The health impact of visual burdens cannot be underestimated. An epidemiology study conducted by World Health Organization determined a “bad view out of window” increased the risk for depression by 40%. The same study also demonstrated disturbance by noise and sleep disturbance by noise increased the risk of depression 40%, and 100% respectively.
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Wind turbines produce noise and visual burdens.
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Scientific research confirms visuals impacts can adversely affect human health.
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Wind turbine shadow flicker has the potential to induce photosensitive epilepsy seizures however the risk is low with large modern models and if proper planning is adhered to.
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Wind turbine shadow flicker induced adverse human health effects include annoyance and/or stress.
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