Word: soiling
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Dates: during 1970-1979
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...alter their beautiful structure under the influence of wind, temperature change, icy vapors and the weight of fresh snow, they may lose their ability to interlock. They degenerate into coarser, larger crystals and sometimes even into lumps of ice. Such "old" snow cannot maintain a good grip on the soil or underlying layers of snow. The slightest disturbance may tear it free: the sonic boom of a passing aircraft, the stresses created by a pair of skis...
...Since 1962, four million acres of Vietnam have been sprayed with 100 million pounds of assorted defoliants and herbicides. These anti-plant chemicals, used to defoliate woody canopies and to destroy enemy crops, can cause permanent damage to soil, agriculture, and people...
Botanists have estimated that 50 per cent of Vietnam's soil is laterizable-it can be converted irreversibly to rock when deprived of organic matter...
...snarled traffic, and the soot that boils in across the brown Sumida River from the blast furnaces of Kawasaki, which has 3,000 industrial plants and a population of 940,000. Two-thirds of Tokyo is still without sewers; residents are served by "honeybucket" men, trucks and a "night-soil fleet" of disposal ships, some as big as 1,000 tons, that make daily dumping trips offshore. "Don't worry," a crewman smiles, "the Black Current will take it all toward...
...Washington's clumsily expressed concern over possible genocide in defeated Biafra early last week, were reported close to breaking off relations with the U.S. Their hostility was underscored by an editorial in the Lagos Daily Express: "We offer no greetings to William Rogers as he steps on Nigerian soil today. For whatever bright promises and goody-goody talks he may utter, we still consider him persona non grata . . . the enemy of this country...