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'Before the Flood' - 'Before the Flood' is perhaps the most famous film about climate change since 'An Inconvenient Truth.' The film was co-produced, and narrated, by Leonardo DiCaprio.

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'Before the Flood' - Directed by Fisher Stevens, the film was made widely available for free, and it shows DiCaprio exploring the effects of climate change around the world.

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'The True Cost' - 'The True Cost' centers around the world of fashion, and how it impacts the natural world we live in.

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'The True Cost' - It's an unflattering, no-holds-barred film that'll make you reconsider how you buy clothes. The doc came together after the tragic 2013 Dhaka garment factory collapse.

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'An Inconvenient Truth' - It's hard to start with anything but 'An Inconvenient Truth.' The influential documentary was directed by Davis Guggenheim, and centered around Al Gore.

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'An Inconvenient Truth' - Gore, the former US Vice President, leads a campaign to educate the world about global warming. The thrilling doc has even been compared to a horror film.

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'Chasing Ice' - This award-winning doc was directed by James Balog, and showcases the catastrophic events of climate change.

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'Chasing Ice' - The film centers around a glacier that breaks and splinters in Greenland. The event was compared to "watching a city break apart."

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'An Inconvenient Sequel: Truth to Power' - So many successful films get a sequel, and 'An Inconvenient Truth' is no different. 'Truth to Power' revisits Al Gore and his ongoing mission.

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'An Inconvenient Truth: Sequel' - The doc highlights Gore's global efforts, as well as historical updates like the 2016 Paris Agreement.

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'A Beautiful Planet' - 'A Beautiful Planet' compiles 15 months of IMAX footage of astronauts aboard the International Space Station.

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'A Beautiful Planet' - Jennifer Lawrence narrates the doc, which shows us the effects of climate change like never seen before. The end of the world never looked so cinematic.

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'The 11th Hour' - After 'An Inconvenient Truth,' Hollywood was waiting for another update on climate change. So, Leonardo DiCaprio came through and co-wrote and narrated 'The 11th Hour.'

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'The 11th Hour' - The doc premiered at Cannes Film Festival one year after 'An Inconvenient Truth.' It features contributions from over 50 politicians, scientists, and activists.

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'Cowspiracy' - Not just a bad pun, 'Cowspiracy' is a bold Netflix doc about animal agriculture, and its effects on the environment.

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'Cowspiracy' -

The film was crowdfunded by fans, and guess who else was involved? That's right, Leonardo DiCaprio was the executive producer for an updated version of the doc for Netflix.

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'True North' - 'True North' is a docu-series which stars John Iadarola and Chavala Madlena. They head to the Arctic and discover the impacts of climate change on the local populations.

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'True North' - The series is made up of a number of thrilling individual stories which make up an rousing narrative about climate change at the north pole.

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'Chasing Coral' - For what it's worth, 'Chasing Coral' has a 100% rating on Rotten Tomatoes. It's a heartbreaking doc about how corals are vanishing from our seas and oceans.

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'Chasing Coral' - It's half-heavenly and half-horrifying, as divers explore our stunning oceans and seas while also exploring how and why coral is vanishing from Earth's waters.

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'In Our Hands: Seeding Change' - 'In Our Hands' zooms in on British farmers in the Brexit era. The doc follows agricultural workers as they try to grow food in sustainable ways.

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'In Our Hands: Seeding Change' - The doc is made up of many different stories told by different farmers. It's a hopeful film, showing that humans can still make big strides to combat climate change.

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'Years of Living Dangerously' - James Cameron was executive producer on this made-for-TV doc which featured celebrities interviewing environmental activists and journalists.

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'Years of Living Dangerously' - Arnold Schwarzenegger (left) also worked on the documentary series, which featured interviews with Jack Black, Jessica Alba, and Harrison Ford.

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'Interstellar' - It's not just docu-series and films that teach us about climate change. Hollywood movies like 'Interstellar' also paint a vivid picture of a dying planet.

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'Interstellar' - Matthew McConaughey plays Cooper, a NASA pilot turned farmer. When the earth struggles to produce crops, Cooper travels through space and time to find a solution.

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'Beasts of the Southern Wild' - 'Beasts of the Southern Wild' is a little more down-to-earth. Quvenzhané Wallis stars as six-year-old Hushpuppy, who struggles to survive as waters flood her bayou community.

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'Beasts of the Southern Wild' - The ice shelf melts, raising the sea level and endangering the community. Wallis became the Oscar's youngest-ever Best Actress nominee for her performance.

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'Snowpiercer' - This widely underrated blockbuster is set onboard a train travelling around the globe after a failed climate-change experiment wipes out nearly all life on Earth.

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'Snowpiercer' -

Problems arise when a class system develops onboard the train. Joon-ho Bong directs the thrilling film, combining action with weighty topics.

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