Bono, Leo, and Pam - 8 Celebs and Their Causes

Are you having a difficult time remembering if Leo's cause is the environment or is he a vegan? And can you remember if Sean Penn is against the war or was it just George Bush that Penn was vehemently opposed to? Here is our guide to remembering what causes are covered by which celebrities:

Many of us have a cause that we are extremely passionate about. My cause is animals. Maybe your cause is poverty or the Iraqi war. Many celebrities use their fame to bring awareness to their causes.