Word: demanding
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Dates: during 1990-1999
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...electricity involves burning fossil fuels or running a nuclear reactor or hydroelectric plant. These processes can result in many forms of pollution: acid mine drainage, oil spills, natural gas leakage, toxic waste and air pollutants. Energy efficient lighting can decrease the amount of energy needed to meet lighting electricity demand by more than 50 percent...
...joining the Green Lights program, Harvard would not only do its share of energy conservation, but it would encourage others to follow. If energy-efficient lighting were used everywhere profitable, the EPA figures that the nation's demand for electricity could be cut by more than 10 percent...
...Colombian tourists, many of the volcanologists attending the Pasto conference quietly left. The few who remained for the final session completed proposals to pursue gravity and gas analysis forecasting. The deaths on the mountain also led them to call for more rigorous safety measures on volcanic sites -- and to demand an end to tourism at Galeras. Visitors are no longer permitted to approach the volcano...
Most of the non-Serbs who have remained in Banja Luka will go if the Vance- Owen plan is implemented. Radoslav Brdjanin, a government "minister" in the self-proclaimed Serbian Republic relishes the prospect and laughs at the demand that Serbs return to the Muslims any land taken. "Wherever there stands a Serbian army boot, that is our territory," he says. "Bosnia does not exist anymore. Our task is simply to clarify the divisions...
...central idea is that self-organization is almost inevitable in a wide range of systems, both natural and man-made. The consistent shape of sand dunes marching across a desert, the evolution of complicated body parts such as eyes and kidneys, the equilibrium between supply and demand in a functioning economy and the existence of life itself -- all these may be expressions of this single principle...