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Models are developed wherein the society, wishing to maxim& the present discounted
value of energy output net of pollution cc& and with fixed resources for energy production,
must decide what portio...
Use of Stable Isotopes in the Determination of Groundwater Flow Direction and Case Studies
Groundwater Flow Direction Groundwater Oxygen-18 Deuterium
2009/10/14
Groundwater in the hydrological cycle, a valuable resource, is the main source of water for domestic consumption, agriculture and industry in many parts of the world. In this study, di erent from the ...
Biofuel Impacts on World Food Supply: Use of Fossil Fuel, Land and Water Resources
agriculture biofuels energy food security fossil fuels natural resources renewable energy
2008/10/27
The rapidly growing world population and rising consumption of biofuels are increasing demand for both food and biofuels. This exaggerates both food and fuel shortages. Using food crops such as corn g...
Blacksburg, Roanoke, and Virginia Tech to use biodiesel fuel in vehicles and power equipment
renewable diesel fuel biodiesel fuel
2007/4/13
BLACKSBURG, Va., April 12, 2007 -- Illustrating their commitment to sustaining the environment and reducing greenhouse gas emissions, the Town of Blacksburg, City of Roanoke, and Virginia Tech are con...
massachusetts institute of technology provides blueprint for future use of coal
coal global warming
2007/3/19
March 14, 2007，Leading academics from an interdisciplinary MIT panel issued a report today that examines how the world can continue to use coal, an abundant and inexpensive fuel, in a way that mitigat...