Home Environment | Health Mark Ruffalo and Leonardo DiCaprio’s ‘Toxic Tour’ – Thom Hartmann Program By Thom Hartmann - March 1, 2016 Facebook Twitter Linkedin Email Thom Hartmann joined actors and environmentalists Mark Ruffalo and Leonardo DiCaprio last week in California on a tour of drilling sites in the City of Los Angeles. RELATED ARTICLESMORE FROM AUTHOR Multiple Studies Determine Roundup Will Cause Cancer Trump Quietly Scales Back Assistance Programs For Poor Americans Trump Signs Order To Let Corporations Poison Our Air