By Timon Singh, Source: Inhabitat

DiCaprio
Longtime environmental activist (and actor) Leonardo DiCaprio has pledged to donate $7 million over the next two years to back marine conservation projects. DiCaprio, who has often said that he wanted to be a marine biologist before he became an actor, has already contributed $3 million to non-profit marine conservation group Oceana, taking his total donations to a whopping $10 million.
DiCaprio2

Read more at: Inhabitat