ARCTIC PHENOMENON. 31 May 1947 Warming Of Climate Causes Concern. In 1947 CO2 levels were still around 300ppm, so why did it warm and then cool and then warm again, and then cool again now at over 400ppm?
ARCTIC PHENOMENON (1947, May 31). The West Australian (Perth, WA : 1879 – 1954), p. 13 (SECOND EDITION.). Retrieved June […]
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