Here is a list of the best green movies to watch. The list consists of 20 green movies which are put in order according to the IMDB rating.
20. AN UNCONVENIENT TRUTH (2006)
IMDB rating: 7.4

Filmmaker Davis Guggenheim follows Al Gore on the lecture circuit, as the former presidential candidate campaigns to raise public awareness of the dangers of global warming and calls for immediate action to curb its destructive effects on the environment.
Available on: https://www.filmsforaction.org/watch/earthlings/
19. WASTED! THE STORY OF FOOD WASTE (2017)
IMDB rating: 7.5

Through the eyes of famous chefs, audiences will see how they make the most of every kind of food, transforming what most people consider scraps into incredible dishes that create a more secure food system.
Available on: http://www.wastedfilm.com/watch-at-home/
18. CHASING ICE (2012)
IMDB rating: 7.8

Follow National Geographic photographer James Balog across the Arctic as he deploys time-lapse cameras designed for one purpose: to capture a multi-year record of the world’s changing glaciers.
Available on: Netflix
17. FOOD, INC.(2008)
IMDB rating: 7.8

An unflattering look inside America’s corporate controlled food industry. For most Americans, the ideal meal is fast, cheap, and tasty. Food, Inc. examines the costs of putting value and convenience over nutrition and environmental impact.
Available on: https://www.filmsforaction.org/watch/food-inc/
16. THE THIRD INDUSTRIAL REVOLUTION: A RADICAL NEW SHARING ECONOMY (2018)
IMDB rating: 7.8

The global economy is in crisis. The exponential exhaustion of natural resources, declining productivity, slow growth, rising unemployment, and steep inequality, forces us to rethink our economic models. Where do we go from here? In this feature-length documentary, social and economic theorist Jeremy Rifkin lays out a road map to usher in a new economic system.
Available on: https://www.filmsforaction.org/watch/the-third-industrial-revolution-a-radical-new-sharing-economy/
15. MISSION BLUE (2014)
IMDB rating: 8.0

Feature documentary about legendary oceanographer, marine biologist, environmentalist and National Geographic Explorer-in-Residence Sylvia Earle, and her campaign to create a global network of protected marine sanctuaries.
Available on: Netflix
14. A PLASTIC OCEAN (2016)
IMDB rating: 8.0

A Plastic Ocean begins when journalist Craig Leeson, searching for the elusive blue whale, discovers plastic waste in what should be pristine ocean. In this adventure documentary, Craig teams up with free diver Tanya Streeter and an international team of scientists and researchers, and they travel to twenty locations around the world over the next four years to explore the fragile state of our oceans, uncover alarming truths about plastic pollution, and reveal working solutions that can be put into immediate effect.
Available on: Netflix
13. TOMORROW (DEMAIN) (2015)
IMDB rating: 8.0

The world”s climate is changing. Instead of showing the worst that can happen, this documentary focuses on the people suggesting solutions and their actions.
Available on: https://www.filmsforaction.org/watch/tomorrow-take-concrete-steps-to-a-sustainable-future/
12. COWSPIRACY: THE SUSTAINABILITY SECRET (2014)
IMDB rating: 8.3

Follow the shocking, yet humorous, journey of an aspiring environmentalist, as he daringly seeks to find the real solution to the most pressing environmental issues and true path to sustainability.
Available on: Netflix
11. BEFORE THE FLOOD (2016)
IMDB rating: 8.3

A look at how climate change affects our environment and what society can do to prevent the demise of endangered species, ecosystems and native communities across the planet.
Available on: https://www.beforetheflood.com/screenings/
https://www.filmsforaction.org/watch/before-the-flood-2016/
10. KISS THE GROUND (2020)
IMDB rating: 8.3

A revolutionary group of activists, scientists, farmers, and politicians band together in a global movement of “Regenerative Agriculture” that could balance our climate, replenish our vast water supplies, and feed the world
Available on: Netflix
9. TERRA (2015)
IMDB rating: 8.4

A visually stunning documentary that reflects human’s relationship to other species on Earth as humanity becomes more and more isolated from Nature.
Available on: Netflix
8. HOME (2009)
IMDB rating: 8.6

With aerial footage from fifty-four countries, ‘Home’ is a depiction of how Earth’s problems are all interlinked.
Available on: https://www.youtube.com/watch?v=ZjE9T-KQZOU&t=2359s
7. EARTHLINGS (2005)
IMDB rating: 8.7

Using hidden cameras and never-before-seen footage, Earthlings chronicles the day-to-day practices of the largest industries in the world, all of which rely entirely on animals for profit.
Available on: https://www.filmsforaction.org/watch/earthlings/
6. ONE STRANGE ROCK (2018-)
IMDB rating: 8.8

The extraordinary story of Earth and why it is special and uniquely brimming with life among a largely unknown but harsh cosmic arena; astronauts tell the story of Earth through unique perspective.
Avalible on: National geographic
5. David Attenborough: A LIFE ON OUR PLANET (2020)
IMDB rating: 9.1

One man has seen more of the natural world than any other. This unique feature documentary is his witness statement.
Available on: Netflix
4. DOMINION (2018)
IMDB rating: 9.1

Dominion uses drones, hidden and handheld cameras to expose the dark underbelly of modern animal agriculture, questioning the morality and validity of humankind’s dominion over the animal kingdom.
Available on: https://www.filmsforaction.org/watch/dominion-2018/
3. OUR PLANET (2019)
IMDB rating: 9.3

Documentary series focusing on the breadth of the diversity of habitats around the world, from the remote Arctic wilderness and mysterious deep oceans to the vast landscapes of Africa and diverse jungles of South America.
Available on: Netflix
2. PLANET EARTH (2006)
IMBD rating: 9.4

Emmy Award-winning, 11 episodes, five years in the making, the most expensive nature documentary series ever commissioned by the BBC, and the first to be filmed in high definition.
Available on: Amazon/iTunes/Google Play
1.PLANET EARTH II (2006)
IMDB rating: 9.5

David Attenborough returns in this breathtaking documentary showcasing life on Planet Earth.
Available on: Amazon/iTunes/Google Play
*sources for pictures and stories for the best green movies: IMDB