Natural gas advantages burns clean compared to cola, oil less polluting 70% less carbon dioxide compared to other fossil fuels. Sunlight, or solar energy, can be used directly for heating and lighting homes and other buildings, for. Today, energy is the primary input for almost all economic activities and has become vital for improvement in the quality of life. Currently, pa has seven wastetoenergy plants that burn close to 19 million tons of waste a year.
All the types can be broadly divided into two types. There are different types of energy resources, including fossil fuels such as coal or oil, and stores of energy such as batteries or the wind. Chemical energy is energy stored in the bonds of atoms and molecules. The potential for renewable energy resources is enormous because they can, in principle, exponentially exceed the world. These resources have been the most used type of energy in the modern era. Pdf types of eresources and its utilities in library. Yet no primary energy source, be it renewable or nonrenewable, is free of environmental or economic limitations. Butifenergycannot bedestroyed,whatdoesitmeantouseenergy. Growing up to 17 trees saves up to one ton of paper from recycled stock and uses 50 percent less energy. The united states imports more than 50 percent of its oil, up from 34 percent in 1973. This steam is used to rotate turbines which produce electrical energy. We need to know how do we select the source needed for obtaining the energy in its usable form. Most renewable energy comes either directly or indirectly from the sun. Mar 20, 2015 conclusion since energy resources are limited, we must use the available energy with utmost care and not waste it.
Renewable energy resources german economic team belarus. The present situation in nigeria is that energy supply does not meet the energy demand. World energy resources are the estimated maximum capacity for energy production given all available resources on earth. Conclusion since energy resources are limited, we must use the available energy with utmost care and not waste it.
A small amount of nuclear fuel can produce tremendous amounts of energy. However, there is a clear distinction between coal and solar energy per say in terms of their. Examples of renewable resources are air, water, natural gas, wind, solar energy, etc. Renewable energy will also help us develop energy independence and security. This riddle can be solved if we recall what else we learnt about energy. This article throws light upon the classification of energy resources. Solar energy is trapped by green plants through photosynthesis and converted into biomass energy fast growing trees like cotton, wood and leucaena, nonwoody herbaceous grasses, crop plants like sugarcane, sweet sorghum, sugar beet, aquatic weeds like water hyacinth, sea weeds, carbohydrate rich potato, etc.
Types of natural resources all natural resources fall under two main categories. K ezugwu abstractthis study focuses on nigeria energy resources and its consumption. The key aspect of natural resources is that they dictate the survival of humans and other life forms on earth. Pdf in order to address the economic and environmental. Ecosystem ppt and pdf natural resources ppt pdf free to download fig1. Infact, the whole infrastructure rests upon energy. Study of nigeria energy resources and its consumption. When we use electricity in our home, the electrical power was probably generated by. Industrialization changed the primary energy use from renewable resources to sources with a much higher energetic value such as coal and oil. It is the energy that holds these particles together. Find the 10 basic types of energy group any types, sources, or associated words that seem to refer to the same type of energy. Energy and the challenge of sustainability chapter 5. Listed below are brief descriptions of these resources.
Energy can be further characterized through its observed properties. Study of nigeria energy resources and its consumption engr c. The different types of energy include thermal energy, radiant energy, chemical energy, nuclear energy, electrical energy, motion energy, sound. The importance of power resources is increasing day by day and development has nowadays become synonymous with energy. Pdf today, energy is the primary input for almost all economic activities and has become vital for improvement in the quality of life. Energy resources are essential for any society, be it one dependent on subsistence farming or an industrialised country. There are several forms of potential energy, including. The muscular energy for carrying out physical work, electrical energy for running various appliances, chemical energy for cooking food or running a vehicle all come from some source. They never consume as they are renewable and in contrary to the conventional fuels, they do not exhibit a significant threat for environment and human health.
Energy is considered as the most important resources of any country. Availability of resources environment and ecology standards 4. Classification by asset characteristics in addition to the classification of energy resources by type another dimension is. Types of energy resource energy resources are those resources which are converted into heat and other forms of energy. For example, if we drop a plate from a height, the potential energy of the plate is converted mostly to sound energy when it hits the ground. Judicious and economical use can help in overcoming the energy crisis. The many types of renewable energy resourcessuch as wind and solar energyare constantly replenished and will never run out that is one benefit. Energy sources can be categorized as renewable or nonrenewable. Oil is one of the most important sources of global energy because of its. Hydroelectric power electricity from water is the cleanest, cheapest and best means of electricity. Energy resources exist in different forms some exist as stocks and so are exhaustible, others exist as flows and are.
Sumit thakur uncategorized natural resources ppt pdf free to download. What three types of energy from a roller coaster are added together to equal the total amount of original potential energy. Biomass, petroleum, natural gas, and propane are examples of stored chemical energy. However, reserves and resources of all types of oil are sufficiently.
Natural resources refer to the things that exist freely in nature for human use and dont necessarily need the action of mankind for their generation or production. They can be divided by type into fossil fuel, nuclear fuel and renewable resources. Energy resources exist in different forms some exist as stocks and so are exhaustible, others exist as flows and are inexhaustible, and a third form is based on exhaustible stocks that can be leveraged to resemble renewables. Energy comes in different forms and one form can be converted to another. They are called renewable energy sources because their. Power or energy resources are the basic components of economic development and the amount of energy production is often considered as an index of any countrys economic development. Pdf today, energy is the primary input for almost all economic. Electronic resources solve storage problems and control the flood of. Energy resources are the opportunities an area offers to generate electricity based on its natural conditions and circumstances. Types of energy can be categorised into two broad categories kinetic energy the energy of moving objects and potential energy energy that is stored. Problems arise from our dependence on combustible fuels, the environmental risks associated with their extraction, and the environmental. There are two types of energy sources, renewable and nonrenewable sources. Renewable resources renewable resources are those that are constantly available like water or can be reasonably replaced or recovered, like vegetative lands. The use of fusion is thought to be more efficient than fission however research in its use is still in its early stages.
They are in clear distinction with the mineral resources which are utilized as part of the physical constituency of the commodity. The table below will help us understand this better. Different technologies suit different types of coal and tackle different. Apr 25, 2017 natural resources ppt pdf free to download. Nonrenewable resources, such as fossil fuels and nuclear material, are removed from the earth and can be depleted. The source responsible for most other energy resources is the. Costs of renewable energy resources are lesser than the fossil origin fuels. Resources is a very broad term, it is basically anything that can be considered a valuable addition. After it has been transferred, energy is always designated according to its nature. The types of energy and their varied applications and. Commercial energy consists of i fossil resource energy like coal, petroleum, natural gas ii hydroelectric energy iii atomic energy. Commercial source of energy or power are sold at a price and the users are required to pay the price. You can do this using colored pencils, or by making lists of each set of words that seem to be a given type of energy. This is why over the last decades attention is focused on renewable energy resources and ways to increase energy efficiency.
The examples of types of energy are kinetic energy, potential energy, etc. While their annual flows far exceed global energy needs, the challenge lies in developing. It may exist in potential, kinetic, thermal, electrical, chemical, nuclear, or other various forms. We can save natural resources by using materials more than once. Coal, oil, solar energy are typically examples of energy resources. Energy sources introduction energy sources have been identified as being vital in running virtually all domestic and industrial operations. There are many different sources of energy, some wellknown such as coal or petroleum, others less so, such as tides or the heat inside the earth. A resource is a source or supply from which a benefit is produced and that has some utility. Energy resources are those resources which are converted into heat and other. The many types of renewable energy resources such as wind and solar energy are constantly replenished and will never run out that is one benefit. What are natural resources, types and threats to natural. The first renewable energy technologies were primarily simple mechanical applications and did not reach high energetic efficiencies. The natural resources may be defined as any material given to us by nature which can be transformed in a way that it becomes more valuable and useful.
The energy is then used to heat water which turns turbines that in turn produce electricity. Recycling saves trees and water in the case of paper. The wise and economic use of energy resources is called conservation of energy. Pdf the paper focuses on the various aspects of eresources.
Energy resources today the greatest attention in the world is devoted to energy resources because their use is usually irreversible, but the supplies of traditional fossil fuels oil, natural gas are running out fast. This free course, an introduction to energy resources, provides background. Majority of its population lives in village and uses wood. Given its long and successful tradition, the energy study will. Renewable energy sources refer to the kinds that are naturally replenished. Pdf energy resources and global development researchgate. Types of renewable and alternative energy there are several renewable energy sources that are in use today.
Replacing some of our petroleum with fuels made from plant matter, for example, could save money and strengthen our energy security. B almost every resource needs to be removed from the earth and processed in some way before it can be used. The sum total of both these energies of a particle always remains constant, when there are no frictional forces operating on it. Let us take a look at the two broad types of resources natural resources and manmade resources. Resources can broadly be classified upon their availability they are classified into renewable and nonrenewable resources. What is the current cost of crude oil and other forms of energy. Examples of nonrenewable resources are coal, crude oil, etc. In its 1998 survey the world energy council reported proven recoverable oil. Noncommercial energy sources consist of firewood, vegetable waste and animal dung.
So, in order to produce electrical energy, we utilize the nuclear energy from the uranium making it an indirect source of electrical energy. There is a wide disparity in energy consumption in developed and industrialized countries and developing countries. This free course, an introduction to energy resources, provides background information to each, so that you can assess them for yourself. Zealand harnessed their water resources for water energy. We can divide energy resources into two categories, nonrenewable and renewable.
Production of energy leads to the efficient utilization of natural resources. What is the political environment for these energy sources. When we use energy, we do not use it upwe just change its form. For example solar energy, wind energy and hydroelectricity power can be generated by using sun light, wind and water resources respectively. Pdf today, energy is the primary input for almost all economic activities and has. Energy resources 9 this chapter reports oil resources in gigatonnes 1 gt 109 tonnes and exajoules 1 ej 1018 joules using the energy equivalent of 42 gigajoules per tonne of oil equivalent gj per toe. Energy resources 6 a comprehensive account of the worlds energy resource endowment is essential for any longterm energy assessment. Kammen energy and resources group renewable and appropriate energy laboratory rael. Kammen energy and resources group renewable and appropriate energy laboratory rael university of california, berkeley, usa email. Fossil fuels are non renewable, that is, they draw on finite resources that will eventually dwindle, becoming too expensive or too.