Conversion is typically quite energy inefficient, meaning that much more primary energy needs to be generated than might appear to be the case. This negates the need for subsidies to reduce the cost of alternative sources of energy by raising the cost of incumbent sources of energy and creating price parity. The term renewable energy refers to energy sources that are in nature and are renewed in. This problem is the need for alternative energy sources which can be converted into electricity because the main energy source currently used is coal and the coal deposits will not last forever. Thousands of years ago, early humans burned wood to provide light, heat their living spaces, and cook their food. National energy education development project the need project.
Distinguished from non commercial energy comprising fuelwood, agricultural wastes and animal dung collected usually by the user. In particular, the fukushima daiichi accident was a turning point in the call for alternative energy sources. The mission of the need project is to promote an energy conscious and educated society by creating effective networks of students, educators, business, government and community leaders to design and deliver objective, multisided energy education programs. Nuclear is not classified as a renewable energy source. On the basis of october 20 data, there are approximately 34 million flexible fuel vehicles and the sale of hybrid electric vehicles numbered more than 9 million september 2014 data. Nov 15, 2016 the best examples of alternative energy sources 11. Types of renewable and alternative energy there are several renewable energy sources that are in use. These commonly used sources of energy are broadly divided in to groups fossil fuels and. Alternative sources of energy an introduction to fuel cells. With the development of economy and society, existing energy sources have been hard to meet the increasing market demands. A growing number of countries have established incentive programs for the development of solar and other renewable energy sources, such as i net metering laws that allow ongrid end users to sell electricity back to the grid at retail prices, ii direct subsidies to end users to offset costs of photovoltaic equipment and installation charges. The beginning of this decade has seen instability in the middle east.
Reality should drive everyone to do their part in reducing pollution. Alternative energy sources an interdisciplinary module for energy education. National energy education development project the need. The need for renewable energy sources itee journal. Maintenance can be a factor, plus you may need to acquire permission from a local authority to install one.
They are electrochemi cal devices similar to a battery and consist of a container, an. There are many reasons the world is looking for alternative energy sources in an effort to reduce pollutants and greenhouse gases. This paper briefly presents the importance of renewable sources of energy owing to the backdrop of fossil fuel dilemma. Renewable energy sources an overview sciencedirect topics. Why do we need renewable energy sources clean economy center. The consumption of biofuels and other nonhydroelectric renewable energy sources in the united states more than doubled from 2000 to 2018, mainly because of state and federal government requirements and incentives to use renewable.
Alternative energy refers to energy sources other than fossil fuels. How can alternative sources of energy be harnessed effectively. Finish the module by doing tooning into renewable energy sources. Alternative or renewable energy sources show significant promise in helping to reduce the number of toxins that are byproducts of energy use and help preserve many of the natural resources that we currently use as sources of energy. Pdf biofuel an alternative source of energy for present. The best examples of alternative energy sources 11. Look at your list of energy sources in question 4, and label them as renewable or nonrenewable. Why is there a need for alternative sources of energy. You have probably also heard of renewable energy sources, which can often be the same as alternative. Renewable energy is dependable and copious and will potentially be very cheap, once this technology and its present infrastructure are enhanced. Meeting the worlds needs for electricity, heating, cooling, and power for transport in a sustainable way is widely considered to be one of the greatest challenges facing humanity in the 21st century. Alternative energy sources imagine a world where sea levels have risen, a world where extreme weather happens more often and with more intensity, and a world that has very few species of animals left due to mass extinctions. The other policy that can be used to achieve this is a carbon tax, which is a government regulated price on the cost of carbon emissions through a pollution tax. Why do we need renewable energy sources clean economy.
The alternative sources of energy available today are harvested worldwide using clean technology, that must be improved to increase its efficiency what is alternative energy. Ever, other sources of energy are finite and will some day be depleted. Other alternative energy sources have also been considered and consist of ocean energy, biomass and other innovative technologies. Jul 18, 2009 there is abundance of energy on earth, but these corporations and their profit based systems wont allow anyone to produce cheap energy. Make a list of as many energy sources as you can think of. Until recently we called them alternative energy sources, today they are renewable energy sources. In response to the critical need for a cleaner energy technology, some potential solutions have evolved including energy conservation through improved energy efficiency, a reduction in the fossil fuels and an increase in the supply of environmentally friendly energies forms which is leading to the use of renewable sources water, sun, wind. In order to prepare for the future we must become farsighted and work towards expanding our knowledge and use of other fuel sources so that we can gradually shift our reliance from oil to these other cleaner and more abundant fuel sources.
We feel that there is a need for us all to understand how solar and wind energy can be used in. Top 10 reasons to choose alternative energy sources superpages. Sources of energy 243 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. Energy, renewable, non renewable, alternative energy technology. Energy security is a relative newcomer to public perception when we consider the greater need for renewable energy 19. This is a frightening fact that we need to acknowledge and act upon. Alternative sources of energy are critical to maintaining health both on the earths surface and under the ground. This week your students class will be doing an integrated study of the uses of alternative energy sources in iowa. Dear family, this week your students class will be doing an integrated study of the uses of alternative energy sources in iowa.
Alternative energy, by definition, is any source of energy that doesnt use fossil fuels. The national energy education development project promotes an energy conscious and educated society by creating effective networks of students, educators, business, government and community leaders to design and deliver objective, multisided energy education programs. Find, read and cite all the research you need on researchgate. In modern society, an increasing number of people pay more attention to how to make use of alternative sources of energy effectively. Pros and cons of 4 common alternative energy sources. We feel that there is a need for us all to understand how solar and wind energy can. The major sources of renewable energy include solar, wind, biomass, geothermal, hydropower and tidal energy. Some applications of renewable sources and future of energy is also discussed. Alternative sources of energy essay 829 words bartleby. There is abundance of energy on earth, but these corporations and their profit based systems wont allow anyone to produce cheap energy. The use of renewable and alternative energy sources can save us money, assure that our grandchildren and great grandchildren will have enough energy, and free us from the uncertainties of depending on energy supplies outside the united states. May 19, 2018 pdf in 1956 shell geophysicist king hubbert finally accumulated sufficient data to estimate the logistic curve for oil on. Alternative energy sources an interdisciplinary module. Various alternative energy sources like nuclear power, solar, wind.
One of the main issues is the discontinuous output. Sources of energy people have always used energy to do work for them. Alternative energy represents the clean energy source does not pollute that derives from a natural and renewable source of energy such as solar, wind, geothermal, waves, tides, waste, biomass, hydrogen. Discussions of the potential of renewable energy sources usually fail to take into account the need to convert energy from forms that are available to forms that are needed. Using renewable energy can reduce the use of fossil fuels, which are major sources of u. Realizing the need for alternate energy sources and to highlight the development in this field, v. Even though solar, wind and geothermal energies have enormous potential, there are many concerns and issues that need to be addressed. Learn about using renewable energy sources such as geothermal heat pumps, solar systems, and wind turbines to save energy and utility costs. Pdf the need for renewable energy sources researchgate. Sometimes small steps in energy usage go a long way in helping the planet to recover from the wounds we have. Innovative technology solutions and supportive policies are still needed to achieve societys emissions aspirations. Energy sources can be broadly classified as renewable and non renewable. Fuel cells, an alternative to standard sources of energy. Since there is an increased awareness for ecofriendly issue, there is an urgent need to explore the alternative energy sources.
A renewable energy source is produced from sources that do not deplete or can be replenished within a humans life time. Energy conservation, less new energy needed for future economic growth. Energy for our childrens children sustainability renewable energy will not run out. Because all the profit goes to these oil selling companies. Need works with energy companies, agencies and organizations to bring balanced energy. Alternative energy sources an interdisciplinary module for. Need works with energy companies, agencies and organizations to bring. A long time ago it was the future, today it is a reality renewable energy sources have become a daily phenomenon in investment construction. Contents definition of energy sources of energy why use of fossil fuel. Meeting the worlds needs for energy in a sustainable way is widely considered to be one of the greatest challenges facing humanity in the 21st century.
The main alternative energy sources that many countries are currently researching are. Renewable energy sources are getting attention at the global level due to being clean, inexhaustible and environmental friendly, efficient and increasingly competitive 1. We have realized that our fossil and atomic fuels will not last. Alternative sources of alternative energy sources 1123 words 5 pages. Jan 24, 2015 alternative fuels for automobiles are currently a topic of growing interest and importance. Other figures in terms of number of vehicles produced include 17. Why is important to find alternative energy sources. Merewether abstract fuel cells are important future sources of electrical power and could contribute to a reduction in the amount of petro leum imported by the united states. We need to know how do we select the source needed for obtaining the energy in its usable form. There are alternative sources of energyfor different activities, every individual need different type of energy to perform a task. Pdf an introduction to the renewable energy resources. Unlike other forms of natural gas, hydrogen is a completely clean burning fuel. How alternative sources, routes, and clean technologies can bolster energy security and decarbonization issue brief january 2020 the global energy center promotes energy security by working alongside government, industry, civil society, and public stakeholders to devise. Office of energy efficiency and renewable energy subject.
Knowing the dreadful fact that nonrenewable sources will eventually deplete, the importance of renewable sources cannot be. Renewable energy technologies are clean sources of energy that have a much lower environmental impact than conventional energy technologies. What is alternative energy alternative energy is any energy source that is an alternative to fossil fuel the term alternative presupposes a set of undesirable energy technologies against which alternative energies are contrasted. Increased energy efficiency and a shift to lower carbon energy sources will help curb co 2 emissions, but not sufficiently to reach a 2c pathway. By alternative energy sources we mean the energy sources other most widely used source of energy today. Once produced, hydrogen gas cells emit only water vapor and warm air when in use. Sustainable energy is the practice of using energy in a way that meets the needs of the present without compromising the ability of future generations to meet their own needs. This paper is about such options which generates clean energy using renewable sources in economical and portable ways to compensate the.
How do you think these two energy sources differ from each other. The major issue with this form of alternative energy is that it is mostly derived from the use of natural gas and. Renewable energy is now considered a more desirable source of fuel than nuclear power due to the absence of risk and disasters. Conversion is typically quite energyinefficient, meaning that much more primary energy needs to.
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