Energy Conservation SCI/275 Energy conservation is so important. Why you ask? Because of the limited amount of nonrenewable energy sources on Earth‚ it is important to conserve our current supply or to use renewable sources so that our natural resources will be available for future generations. Energy conservation is also important because consumption of nonrenewable sources impacts the environment. Specifically‚ our use of fossil fuels contributes to
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‘is it impossible for humans to use the rainforest as a resource without destroying it?’ Describe what the rainforest is like. Rain forests are extremely dense‚ huge and magnificent places. They have almost half of all the plants and animals on the earth living in their boundaries. Some people such as the Amerindians live in them. The structure of the plants in the rain forest‚ as seen in the diagram to the left‚ it is set out in layers of height. Starting at the bottom‚ this layer is called
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the working fluid. • Gas turbine power plants – natural gas is the working fluid. General layout of a hydroelectric power plant SEQUENCES OF WATER FLOW • Reservoir head race tunnel draft tube penstock turbine tail race tunnel NET HEAD AND GROSS HEAD IN TURBINES Essential Elements of a Hydro electric turbine 1. 2. 3. 4. 5. 6. 7. 8. 9. Catchment area Reservoir Dam Spillways Conduits Surge tank Draft tube Power house Switch yard for power transmission Catchment area
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solution to the current crisis lies in energy conservation at all level in the country. The use of alternate energy such as wind and solar power could be utilized to immediately reduce the shortages‚ while electricity projects from coal and large dam could provide a long-term solution to the electricity shortage. However‚ China‚ Iran‚ India and Tajikistan‚ Germany‚ Qatar‚ Kuwait and some other countries have been offering to export electricity to Pakistan to overcome the growing electricity crisis
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MODULE III DIVERSION HEAD WORKS A hydraulic structure which supplies water to the off taking canal is called a head work. Head works are of two types. 1.Storage head works 2.Diversion head works. 1.Storage head works. It stores water during the period of excess supplies in the river and releases it when demand overtakes available supplies. 1.Diversion head works It serves to divert the required supply in to the canal from the river. A diversion head works serves the following
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Solutions to Climate Change Kyoto Protocol: The Kyoto Protocol is an international treaty that sets binding obligations on industrialized countries to reduce emissions of greenhouse gases. The debate is over whether it constitutes a good model for future global climate change treaties. Carbon Offsets: A carbon offset is a reduction in emissions of greenhouse gases to compensate for the offset of an emission made elsewhere. Carbon offsets are a form of trade. When you buy an offset‚ you fund
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the Nile‚ Egypt would be a scarcely habitable desert‚ Sudan a parched wilderness. The world’s longest river flows for more than 4‚000 miles through northeast Africa; it irrigates farmland‚ provides water for drinking and sanitation and drives hydroelectric power stations. The Nile supplies almost all of Egypt’s fresh water in addition to three quarters of Sudan’s. Both countries claim historic rights over it but neither controls its sources. For thousands of years Egypt has jealously defended
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river system in South America is that of Parana‚ Paraguay and Uruguay rivers‚ the waters from which empty into the Plata estuary. The Parana River is navigable for ocean-going vessels as far upstream as Rosario‚ Argentina. A large combined bridge and dam completed in 1981at Salto Grande Marks the head of Navigation on the Uruguay River. Other navigable rivers in South America include
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days to a few decades. When the backwater pressure of the lake exceeds the retention capacity of the barrier‚ the accumulated water gushes down stream with powerful force inundating otherwise safe settlements. In 1893‚ a largest known landslide dam in the Central Himalaya blocked the Birahiganga to form a colossal
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Lesson II – Effects of Deforestation Deforestation is the removal or destruction of large areas of forest or rainforest. Deforestation happens for many reasons‚ such as logging‚ agriculture‚ natural disasters‚ urbanization and mining. There are several ways to clear forest -- burning and clear-cutting the land are two methods. Although deforestation occurs worldwide‚ it’s a particularly critical issue in the Amazon rainforests of Brazil. There‚ the tropical forests‚ and the species of plants and
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