Gene Likens (1935–)


1667 The corrosive effect of polluted city air on limestone and marble is noted by the English diarist John Evelyn.

1852 British chemist Robert Angus Smith argues that industrial pollution causes the acidic rainfall that damages buildings. He is the first person to call it “acid rain.”


1980 The US Congress passes the Acid Deposition Act, undertaking an extensive 18-year research program into acid rain.

1990 An amendment to the US Clean Air Act (passed originally in 1963) establishes a system that is designed to effectively control emissions of sulfur dioxide and nitrogen oxides.

The effects ...

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