Early farmers may have polluted the sea 4000 years ago
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Humans have been polluting the environment for at least 4000 years. So say scientists who have analysed sediment from the South…
Humans have been polluting the environment for at least 4000 years. So say scientists who have analysed sediment from the South…
Sino Images/Getty Humans have been polluting the environment for at least 4000 years.