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World Wetlands Day on Feb. 2 marks the date when 18 nations signed the Convention on Wetlands in 1971, in the Iranian city of Ramsar on the shores of the Caspian Sea. Since that time, scientists have shown that wetlands provide many valuable services, from buffering coasts against floods to filtering water and storing carbon. As the Trump administration moves to strip legal protection from many U.S. streams and wetlands, we offer five articles from our archives describing the many benefits these water bodies provide.
