Here are trailers from two movies to look for.
First Talk To Me starring Don Cheadle
The real-life story of Ralph Waldo "Petey" Greene an outspoken radio personality in the 1960s.
Alternet blogger David Corn writes an excellent review of this movie in his post, " Talk to Me': A Political Movie that Lacks Politics". Even though this movie is not as political as the real Petey Greene you still get the point
and if you appreciated An Inconvenient Truth you'll want to see
The 11th Hour a documentary produced and narrated by Leonardo DiCaprio.
The film explores how we've arrived at this moment -- how we live, how we impact the earth's ecosystems, and what we can do to change our course. Featuring ongoing dialogues of experts from all over the world, including former Soviet Prime Minister Mikhail Gorbachev, renowned scientist Stephen Hawking, former head of the CIA R. James Woolsey and sustainable design experts William McDonough and Bruce Mau in addition to over 50 leading scientists, thinkers and leaders who discuss the most important issues that face our planet and people.