The 11th Hour is 2007 environmental documentary discussing problems the worlds eco-systems are facing narrated and produced by Leonardo DiCaprio.
To investigate problems such as Global Warming, deforestation, extinction and pollution Leonardo interviews more than 50 people in the fields of science, politics and activism. Most notable of which being ex-president of the Soviet Union Mikhail Gorbachev and British physicist Stephen Hawking.
As well as discussing the environmental health of the planet and how bad it could possibly get, The 11th Hour also make an attempt to propose solutions.
A quote from Leonardo in regards to his documentary:
Global warming is not only the number 1 environmental challenge we face today but one of the most important issues facing all of humanity ... We all have to do our part to raise awareness about global warming and the problems we as a people face in promoting a sustainable environmental future for our planet.