Actress, Humanitarian & Author; Known for "One Tree Hill"
Speaking Your Truth with Sophia Bush and Lewis Howes
Co-Founder and Chief Scientist of Rocky Mountain Institute
Lower cost, less controversy: Business case builds for energy ...
Actor Known for "The Vampire Diaries;" Animal & Environmental Advocate; Founder of The Ian Somerhalder Foundation
Ian Somerhalder Shares His Love For Animals | PeopleTV
Former Governor of Massachusetts, 2012 Republican Presidential Nominee and CEO
Pulitzer Prize-Winning Journalist; Co-author of Half the Sky; Humanitarian