Robert Downey Jr. br Launches Climate br Change Coalition Called the Footprint Coalition, br it will launch in April of 2020. The Iron Man and Avengers br mega-star announced the br new venture at Amazon’s br re:MARS conference. Robert Downey Jr., via ABC News Downey said onstage at br the event that he has abr "quiet sense of crisis" when it br comes to the issue of climate change. Those interested in the br Footprint Coalition can sign up br for the newsletter on its website. According to a recent report published br by an Australian think tank, unchecked climate change br could cause "mass species extinction, br economic disruption and social chaos.