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6 films
5,500 cubic miles of fresh water are stored in the Great Lakes, which are vital for drinking water and local ecosystems across North America.
More than a million chemicals have entered the environment since 1945, with unknown total impacts on human health and ecosystems.
Two immense waterfalls plunge 20 stories down into a roiling pool of water 200 feet deep, marking the border between the United States and Canada.
Three families search for missing loved ones, including a sister who disappeared at age 24 and would now be 29.
A body found in a bag in a quarry leads police to investigate a murder tied to a complex relationship between two educated men.
A 50-year-old woman is rushed to St George's hospital struggling to breathe due to a rare autoimmune condition that constricts her airway.
