Environmentalist Celebrities
Josh Hartnett
25
Josh Hartnett
Olivia Newton-John
26
Olivia Newton-John
Pete Seeger
27
Pete Seeger
Emmy Rossum
28
Emmy Rossum
Shailene Woodley
29
Shailene Woodley
Steven Seagal
30
Steven Seagal
Daphne Zuniga
31
Daphne Zuniga
Alicia Silverstone
32
Alicia Silverstone
Daryl Hannah
33
Daryl Hannah
Akihito
34
Akihito
Sheryl Crow
35
Sheryl Crow
Gisele Bündchen
36
Gisele Bündchen
Lily Allen
37
Lily Allen
Erin Brockovich
38
Erin Brockovich
Ian Somerhalder
39
Ian Somerhalder
Vincent Kartheiser
40
Vincent Kartheiser
Thom Yorke
41
Thom Yorke
Carole King
42
Carole King
Varg Vikernes
43
Varg Vikernes
Kimbal Musk
44
Kimbal Musk
Margaret Atwood
45
Margaret Atwood
Hank Green
46
Hank Green
Timothy Treadwell
47
Timothy Treadwell
Feargal Sharkey
48
Feargal Sharkey