|1. Burning which fossil fuel emits the least carbon dioxide (CO2)?
a. Natural gas
2. How much oil does it take to produce the 100,000,000,000 plastic bags used in the United States of America every year?
3. Which uses the most energy each year worldwide?
4. Which country developed the first windmills?
Back: Energy poverty, energy wealth,
suffering people, endangered planet
|Power switch||Green goal||Infinite power||Tunza answers
|City lite||From energy eater
to green machine
|Solar star||Save energy,
save the world
|Small is powerful||University challenge|
|The Grand Prix||Energetic action||7 energy wonders|
|About Tunza||Contents||Edition française||Versión española|