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Biomass crops are grown on land that could be used for food.
Wood collection in sub-Saharan Africa is no longer sustainable.
- The
best wind generator sites are usually on the top of exposed
hills. Blades can be as much as 50 metres across and large
numbers of turbines are needed. This causes conflict as
sights are often in areas of outstanding beauty.
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Wind,
water and solar energy production requires huge numbers
of generators and sites to produce sufficient electricity
to replace conventional fossil fuel power station.
UK
Government Renewable Energy Strategy http://www.dti.gov.uk/renewable/main.html
Energy Efficiency Organisations at http://www.igc.apc.org/
energy/efficiency.html
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