4. A River of Waste: The Hazardous Truth about Factory Farms
IMDb Rating: 8.0
Do you know what kind of meat you eat? Well, if you want to find out, check this documentary, one of the best environmental documentaries on YouTube. Factory farms raise animals on much larger scales than they should. The animals are crammed into tight buildings and often are given chemicals to boost their growth. These factory farms are the place from which most of the meat on your supermarket’s shelves comes from. This documentary will show you the whole process without any sugar coating. Most people will find it as one of the most disturbing on our list of 12 best environmental documentaries on YouTube and according to testimonies it even made people to become vegetarians.
