Are there any pollution-free places left on Earth? Somewhere between 1.8 million and 12,000 years ago, our ancestors mastered the craft of fire building. Anthropologists often cite this event as the spark that truly allowed us to become human, giving us the means to cook, keep warm and forge tools. But fire also marked another important first for us: the invention of man-made pollution. Pollution, by definition, is something introduced into the environment that harmfully disrupts it. While nature sometimes produces its own damaging contaminants – wildfires send up billows of smoke and ash, volcanoes belch noxious gases – humans are responsibile for the lion’s share of the pollution plaguing the planet today. Read more, click the link. bbc/future/story/20141104-is-anywhere-free-from-pollution #Pollution #AirPollution #Water #Ocean #
Posted on: Tue, 04 Nov 2014 21:00:00 +0000
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