Pollution doesnt only affect human health directly. It also has a tremendous impact on the natural environment and the organisms that inhabit it. This is especially true for endangered and threatened species that rely heavily upon specialized environments or lie high upon the food chain. Whether as a consequence of habitat destruction, direct poisoning that kills outright or the invasion of invasive species, pollution is directly or indirectly responsible for exterminating and creating endangered species.
By the onset of the 21st century, there were no parts of the Earth free from some type of chemical pollution. Furthermore, the threat posed by atmospheric pollution and climate change threatens to degrade and destroy habitats for creatures from polar bears to plankton.
Were that not enough, these threats tend to multiply. Amphibians are one example: pesticide poisoning of the water weakened their natural immunity to fungus that has already wiped out several species and critically endangered many others.
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