A short feature produced by Shell’s accomplished film unit that attempts to identify and address the problems of water pollution. From the tiniest drip from some melting snow down to the sea, it demonstrates just how the smallest of microscopic organisms that inhabit the water are responsible for keeping it clean. Amoeba and bacteria exist in their billions to slowly dissolve the natural matter that ends up in streams and rivers, and they do it remarkably efficiently until, that is, they have to cope with the variety of sludges and toxins that enter the water supply from industrial and large-s…
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