Watch Free Online HD Moviesjoy. YERT (Your Environmental Road Trip) is an adventure and a celebration of the American spirit in the face of adversity - a thought-provoking, inspiring, and sometimes hilarious, documentary about the courageous and creative individuals, groups, businesses and leaders of this country who are tackling the greatest environmental threats in history. Called to action by a planet in peril, three friends hit the road to explore every state in America in search of the extraordinary innovators and citizens who are tackling humanity's greatest environmental crises.