Summary

​1) The benefits of wind turbines

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​2) The issues of such facilities

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​3) Alternatives & solutions

Benefits

• Low carbon dioxide emissions​

• Can be installed more or less anywhere

• Unlimited energy

​+

Problems

​Impact on the environment

​​-

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• Use rare materials imported from China

• The need for rare mineral resources x4 by 2040

• ​Lifetime of a wind turbine = 25/30 years

• ​Complex transportation

​neodymium

Problems

​Impact on bats / birds

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• ​570,000 birds die per year in the U.S.A

• ​70% of the world’s tropical fruits eaten by humans come from plants that rely on bats for pollination or seed dispersal

• ​Bats are helping foresters and farmers

​​-

Alternatives & solutions

• ​New materials ?

• Wooden wind turbine tower

• ​Recycling

• ​etc.

​bicycle shelter