Every year, people pollute the environment with 85 billion tons of waste. Among them are solid and liquid wastes from industrial enterprises and transport, agricultural waste (including pesticides), household garbage and atmospheric precipitation of harmful substances.The main role in soil contamination is played by such components of technogenic waste as heavy metals (lead, mercury, cadmium, arsenic, thallium, bismuth, tin, vanadium, antimony), pesticides and petroleum products. From the soil they penetrate into plants and water, even spring water. Through the chain, toxic metals enter the human body and are not always quickly and completely removed from it. Some of them have the property of accumulating over long years, provoking the development of severe diseases.Global Environmental Issue No. 6: Water PollutionPollution of the world's oceans, underground and surface waters of the land is a global environmental problem, the responsibility for which lies entirely on man.
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