The Discovery of Global Warming |
July 2004 [HOME] List of illustrations BACK A rising level of CO2 in the atmosphere was first demonstrated in 1960 in Antarctica, visible after only two years of measurements. Upper: Keeling's graph. Lower: the Little America Navy base shortly after it was established in 1956.
Little America. Watercolor & pencil sketch by Robert Charles Haun,
January 1956. |