Original sentence: Administrator Ruckelshaus was confirmed by the Senate on December 2, 1970, which is the traditional date used as the birth of the United States Environmental Protection Agency (EPA).The German Umweltbundesamt was founded in Berlin 1974.The stage had been set for change by the publication of Rachel Carson's New York Times bestseller Silent Spring in 1962.The world's first minister of the environment was the British Politician Peter Walker from the Conservative Party in 1970.Though the Clean Air Act 1956 in response to London's Great Smog of 1952 was a historical step forward, the 1960s marked the beginning of modern environmental policy making
Edited sentence: Administrator Ruckelshaus was confirmed by the Senate on December 2, 1970, which is the traditional date used as the birth of the agency.Although mainstream America remained oblivious to environmental concerns, the stage had been set for change by the publication of Rachel Carson's New York Times bestseller Silent Spring in 1962.The 1960s marked the beginning of modern environmental policy making