When we think of extinction events, we usually think about the asteroid that hit the earth and wiped out the dinosaurs. But it turns out the worst extinction since that happened 65 million years ago is going on right now?and we humans are the cause of it.
Robert Roy Britt writes in LiveScience.com that changes to the earth's biodiversity have happened faster in the past 50 years than at any time in human history. Today, over 16,000 entire species face extinction in the near future.
People are responsible for this destruction of the animals? habitats. The problem is that some civilizations, such as the Inuit, which rely on these animals, such as polar bears, for sustenance. Polar bears are threatened with extinction by global warming, which comes from the greenhouse gases we produce, mainly from automobiles.
Freshwater fish have suffered huge declines in population, due to water pollution, which is often caused by chemical fertilizers used in agriculture, meaning that in trying to feed ourselves now, we are denying ourselves the food we will need to survive in the future, so that WE don?t go extinct.
Art credit: freeimages.co.uk
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