Environmental Research Foundation . . P.O. Box 5036, Annapolis, MD 21403 . .
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To subscribe, E-mail the words . . But since 1945, humans have become a major force that nature must reckon with. In other words, humans dwarf the rest of nature when it comes to moving nitrogen, phosphorus, sulfur, arsenic, mercury, lead, and a dozen other metals. In addition, we have invented and dumped into the environment enormous quantities of synthetic chemicals that nature does not ordinarily create. As a result, we puny humans are changing the chemical balance of the soils and waters of the entire planet.