|
Burning Out: Energy from Fossil Fuels
|
|
6.4 |
|
|
|
Earth's Climate Change: Carbon Dioxide Overload
|
|
6.7 |
|
|
|
Energy from Earth's Core: Geothermal Energy
|
|
7.0 |
|
|
|
Energy from Living Things: Biomass Energy
|
|
6.8 |
|
|
|
Energy from Nuclear Fission: Splitting the Atom
|
|
7.0 |
|
|
|
Energy from the Sun: Solar Power
|
|
7.0 |
|
|
|
Energy from Water: Hydroelectric, Tidal, and Wave Power
|
|
6.6 |
|
|
|
Energy from Wind: Wind Farming
|
|
6.6 |
|
|
|
Fracking: Fracturing Rock to Reach Oil and Gas Underground
|
|
6.9 |
|
|
|
Leaving Our Mark: Reducing Our Carbon Footprint
|
|
6.6 |
|
|
|
Living in a Sustainable Way: Green Communities
|
|
6.6 |
|
|
|
Putting Earth First: Eating and Living Green
|
|
6.7 |
|
|
Canada
USA
