Wind Turbines

Wind Turbines

Summary

​1) The benefits of wind turbines

​

​2) The issues of such facilities

​

​3) Alternatives & solutions

Poll

Do you think that wind turbines are a sustainable way of producing energy?

• Not sure

• Maybe

• Yes

• 100 %

Benefits

• Low carbon dioxide emissions​

• Can be installed more or less anywhere

• Unlimited energy

​+

Problems

​Impact on the environment

​​-

​

• 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

Multiple Choice

What percentage of exotic fruits are polenized by bats?

• 10 %

• 20 %

• 25 %

• 70 %

Problems

​Impact on bats / birds

​

• ​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

Poll

Thank you for listening !

Have you changed your mind about wind turbines ?

• Yes, in a positive way

• No

• Yes, in a negative way