Advantages and Disadvantages of Renewable Fuels Solar Energy: Advantages: -Energy is free although there is a building cost. -Causes no pollution‚ however‚ energy may go into machines that produce pollution. -Solar energy can be used in remote areas where it is too expensive to extend the electricity power grid. -Estimated that the worlds oil reserves will last for 30-40 years whereas solar energy is infinite. Disadvantages: -Solar energy can only be harnessed when it is daytime
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all different types of people in the state. Three topics that display California’s past and present are the following: the Kumeyaay‚ a California indigenous group that opened the first Museum on a San Diego County Indian Reservation‚ the Old Mission Dam‚ which was the first major irrigation project on the Pacific coast of the United States‚ and Todd Gloria‚ the current Interim Mayor of San Diego that is openly gay with a strong voice in societal issues. The Kumeyaay group has been part of California
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CHAPTER ONE 1.0 INTRODUCTION Flooding is one of the major environmental crises one has to contend of within the century. This is especially the case in most wetlands of the world. The reason of this is the general rise in sea level globally‚ due to global warming as well as the saturated nature of the wetlands in the Niger Delta. Periodic floods occur on many rivers‚ forming a surrounding region known as flood plain. Rivers overflow for reasons like excess rainfall. The good thing
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hydroelectric power plan were built around the world. Now‚ hydroelectricity is world¡¯s biggest source of renewable energy‚ it supplies about 20% of world¡¯s electricity. How does a hydroelectric power plan work? Water trapped in a hydroelectric dam conserves large amount of gravitational potential energy. As the difference between the water level and the water outflow increase‚ so does the potential energy of the water. The water run through a channel called the penstock to drive the turbine.
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INDUS WATER TREATY OF 1960 by William H. Thompson [February 2013] The Indus Water Treaty (IWT) of 1960 is an example of a mutually beneficial conflict or‚ as Kriesberg and Dayton would define it‚ a constructive conflict. Born of the dissolution of the British Crown Colony of India in 1947‚ the treaty recognized the mutual needs of India and Pakistan‚ and the necessity of ensuring continuing access to the waters of the Indus River System for both nations. Although the
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Water scarcity Water is a vital element for all life on earth. It plays an important role in agriculture‚ food production‚ health‚ environment‚ and every single aspect of our life. It is essential for developing and maintaining a healthy prosperous society. During the pas decades‚ Population growth has had a severe impact on degradation of global water supplies. As population growth we need more water for household usage‚ producing food‚ and even any sort of manufacturing products. Water scarcity
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he invented Block System the automatic doors which he devised to stop wasteful overflow of water. Sir Visvesvaraya builted many dams in Maharashtra state. He was designed and patented a system of automatic weir water floodgates which were first installed in 1903 at the Khadakvasla reservoir‚ Pune. He worked as a chief engineer during construction of Krishna Raja Sagara Dam on the Kaveri River in Mandya. He became the President of All India Manufacturers Association. Sir Visvesvaraya was the maker
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Blue Gold This is a documentary about the ever increasing water crisis in our world today; what is causing it‚ the consequences‚ and how to stop it. Ecologists everywhere began to take notice of the “desertification” of our planet and the dire consequences ahead if it is not stopped. The urgency of this issue is one that cannot be brushed off because it is not us destroying solely the planet we live on‚ but destroying our chances of survival on it. Desertification of the earth is caused
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found in some rain-fed lands and inter-mountain valleys. 3. This all water is being stored in the natural reservoirs according to their capacities for its effective utilization. These reservoirs mainly include Tarbela dam‚ Mangla Chashma barrage reservoirs. Also along with these large dam reservoirs there are many small other reservoirs like Warsak‚ Khanpur‚ Tanda ‚ Rawal etc. UTILIZATION OF WATER In Pakistan we use water available to us for different purposes .The basic utilization is for irrigation
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northwestern corner of Yosemite National park in California. Yosemite was declared a national park in the late 1800’s by congress to protect this valuable wilderness for all people. The debate was between John Muir and Gifford Pinchot. Muir was against the dam and Pinchot was for it. Muir founded the Sierra Club and was one of the leading advocates for the creation of the U.S. national park system. Pinchot was one of the first scientific foresters (head of the US Forest service)‚ and he worked to develop
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