Word: permafrost
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Dates: during 1950-1959
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...trim house, the well-kept grounds and smartly-dressed Mrs. Mackenzie might well have been in the southern Ontario town of Oakville, where she used to live. But they were just 92 miles from the Arctic Circle, at Norman Wells, where her husband runs a refinery for Imperial Oil. Permafrost, the permanently frozen subsoil of the North, sometimes makes the ground heave under the installations, but cannot stop the refinery from turning out an annual 320,000 barrels of oil products. In July permafrost is also a foot to three feet below Mrs. Mackenzie's garden, but cannot stop...
...change of climate, said Dr. Kimble, extends all over the lands surrounding the North Atlantic. In Russia the southern limit of permafrost (permanently frozen ground) is receding northward up to 100 yards a year. Many Norwegian slopes are raising barley where only grass grew before. Even the fish of the North Atlantic are taking advantage of the change. The cod, which are very sensitive to temperature changes, have migrated northward some 500 miles since...