Paul McCartney Takes on NASA, Ewan McGregor Needs Your Help, and More

Photo via OneThirtyBPM.com

Musician Paul McCartney isn’t shy about taking a stand for animal rights — the vegetarian superstar has talked about his journey to a meat-free diet and supported Meatless Mondays — and now he’s speaking up for another group: the monkeys that NASA uses to predict how space travel will affect humans. …Read the full story on TreeHugger