Word: layer
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Dates: during 1990-1990
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...part of an effort by government to--in a sense--put the burden for enforcing various kinds of legal sanctions on the institutions," says Irvine. "You've added another layer of administrative burden, and that can sap resources that might have been used...in more positive ways...
...Severe restrictions on the use of chlorofluorocarbons (CFCs), which damage the atmosphere by destroying the stratospheric ozone layer that shields the earth from harmful ultraviolet radiation...
CFCs, used as refrigerants and solvents, are believed to be destroying the planet's ozone layer, and President Bush has joined in a worldwide call for a sharp cut in their use. But by refusing to supply additional funds to help Third World countries switch to substitutes, the U.S. would make reductions difficult. The White House argues that the money should come from existing World Bank funds and not from new contributions -- but also admits that the World Bank does not have the extra money available...
...limited by the earth's curvature, since the signal must follow a straight line. Standard ground-based systems work for about 80 km (50 miles), and airborne equipment for 320 km (200 miles). OTH radar gets around the limit by sending beams up to the ionosphere, an atmospheric layer of charged atoms that begins some 75 km (46 miles) above the earth's surface. The signals are reflected by the ionosphere over the horizon, where they hit objects and bounce back to the ionosphere and then back to the radar system...
...know the rate at which carbon dioxide is accumulating in the atmosphere; we know there is a hole in the ozone layer; we know the rainforests are disappearing; and we know what the consequences are," says Wilson, adding that the days when the environmental movement was fueled by a spiritual devotion to "wholism" are over...