Charles David Keeling died in 2005.
Charles Keeling's birth name is Charles David Keeling.
Charles David Keeling was born in 1928.
Charles Keeling was born on April 20, 1928, in Scranton, Pennsylvania, USA.
W. A. Keeling died in 1945.
Harry Keeling died in 1898.
William Keeling died in 1620.
Edward Keeling died in 1954.
Walter Angus Keeling died in 1945.
William Knight Keeling died in 1886.
carbon dioxide
Charles David Keeling discovered that: - the concentration of carbon dioxide in atmosphere has an important seasonal variation - after 1960 he discovered that the concentration of carbon dioxide in atmosphere increase year after year, caused very probable by anthropogenic activities