|
Al Gore: A Wake-Up Call to Global Warming
|
|
8.0 |
|
|
|
David Suzuki: Doing Battle with Climate Change
|
|
7.4 |
|
|
|
Ed Begley, Jr.: Living Green
|
|
7.9 |
|
|
|
John Muir: Protecting and Preserving the Environment
|
|
7.5 |
|
|
|
Rachel Carson: Fighting Pesticides and Other Chemical Pollutants
|
|
7.0 |
|
|
|
Victor Wouk: The Father of the Hybrid Car
|
|
8.5 |
|
|
Canada
USA
