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Why Use Renewable Energy? - Solar And Wind Power
During the last few years the markets for natural gas, oil and electricity have shown a lot of fluctuations in costs due to global, political and geopolitical events. Renewable energy on the contrary is showing a lot of promise due to t,he following benefits:
Economically - It comes from sources which are cost free or almost free: sunshine, flowing water, wind, and biological waste. It provides price stabilty for RE users. For instance, wind electricity has a fixed price per kW for next 20 years. On the other hand, Coal, gas, oil fire plants face big uncertainties in fuel costs now and in the near future.
Geopolitically - Location of fossil fuels increases the dependency of policies of certain regions for a great part of the world that is not rich in fossil fuels. Renewable energy is independent, as there is an abundance of sunshine and wind in most parts of the earth.
Local Pollution - Air pollution is the major problem worldwide. The biggest cause is the burning of fossil fuels. Poor air quality in turn leads to health problems such as respiratory diseases, asthma and allergies. The great advantage of using renewable energy in place of fossil fuels is that renewable energy adds very few pollutants to the environment and is considered "clean" and "green."
Protecting Global Climate - the use of fossil fuels releases carbon dioxide (CO2). This gas acts like an invisible cover, trapping more of the sun's energy in the atmosphere, causing global warming, which in turn leads to further environmental problems such as:
- changes in nature and plants,
- loss of some animal habitat,
- spreading of tropical diseases,
- melting the arctic ice,
- expanding deserts
- and you can probably think of other environmental problems too!
Unlimited Supplies - No limits of sunlight, wind and biomass as long as we live on the planet Earth. The best news!
20% RENEWABLE ENERGY BY 2020
Renewable Energy Systems - Solar and Wind Power
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?>More Videos On Renewable Energy
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Renewable Energy Posted by: actordude07
Video duration: 206 seconds Global video hits: 33417 A short video that I made for science when I was In Year 10, Hope you enjoy :) Thanks so much to those who have watched this video, which has reached over 28000 views! |
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Where America Stands: Green Energy Posted by: CBS
Video duration: 287 seconds Global video hits: 97 China and the US are fighting to lead the world in green energy technology, but China is way ahead. Celia Hatton reports on what the US needs to do to keep up. |
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Sanders Introduces Renewable Energy Legislation Posted by: wptz
Video duration: 94 seconds Global video hits: 13 |
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Renewable Energy From the Deep Ocean Posted by: TJPlocek
Video duration: 231 seconds Global video hits: 249634 Ocean Thermal Energy Conversion (OTEC) process and an ideal location in Puerto rico |
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Renewable Energy: Wind Power Posted by: GreenEngineer07
Video duration: 469 seconds Global video hits: 102819 A Dorky Engineering Student explains how a homebuilt wind turbine create usable Electrical Power |
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Renewable Energy Posted by: jaw102938
Video duration: 100 seconds Global video hits: 19030 Jobs of the Future - Wind, Geothermal, Solar, Hydrogen/Fuelcells, Biofuels |
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Off-Grid Living with Renewable Energy Posted by: aztextpress
Video duration: 392 seconds Global video hits: 59753 Life off the electricity grid, using renewable energy, with best selling author William "Bill" Kemp and his wife, living the good life with a low impact on the planet. |
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Solar and Wind Power - Renewable Energy Systems Posted by: Excess0Energy
Video duration: 384 seconds Global video hits: 59267 Solar Thermal Energy and Photovoltaic Solar Panel and Wind Turbine systems. Complete Grid-Tie and Off-Grid Battery Backup Systems. Integrating Renewable Energy Systems since 1985 in Ontario Canada. Worldwide Sales of complete package Wind/Solar and Battery Systems. |
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Alternative Energy Sources Posted by: Miniman3910
Video duration: 218 seconds Global video hits: 8606 I made this video for my class, Web 2.0. It is about Alternative energy sources, how they work, and how they are used today. I hope you like it! |
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Greenpeace Video on Renewable Energy Posted by: supinder
Video duration: 167 seconds Global video hits: 19202 Greenpeace Video on Renewable Energy -- plays like a motivational montage of various images, displaying the disasterous effects of climate change and the positive adaptive/mitigationa l effects of renewables. |
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Law 270.7 - Lecture 1 - Introduction to Renewable Energy Options Posted by: UCBerkeley
Video duration: 4515 seconds Global video hits: 5062 and Potential, and Electric Systems; Federal, State, and Local Efforts to Promote Renewable Energy (PURPA, epact 1992, and epact 2005, EISA 2007) - August 20, 2008 The basic concepts underlying the economic regulation of energy. In addition, discussion, of three federal acts that form reference points for our national conversation about renewable energy. |
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National Renewable Energy Laboratory Posted by: IowaPublicTelevision
Video duration: 380 seconds Global video hits: 4400 After the oil crisis of the 1970s, Congress authorized the creation of a government laboratory tasked with solving the puzzle of how to save energy using renewable resources. Three decades later, more than 1100 scientists and engineers continue their search at the National Renewable Energy Laboratory in Colorado. For more from Market to Market follow the link to... www.iptv.org |
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Law 270.7 - Lecture 2 - Federal Renewable Energy Programs Posted by: UCBerkeley
Video duration: 5688 seconds Global video hits: 977 PURPA, epact 1992, and epact 2005, EISA 2007 (Continued) - August 27, 2008 The basic concepts underlying the economic regulation of energy. In addition, discussion, of three federal acts that form reference points for our national conversation about renewable energy. |
![Tasmania\](http://img.youtube.com/vi/AWeEWkjgFqM&feature=youtube_gdata/2.jpg "Tasmania\") |
Tasmania's challenge tapping into green energy - 02 Nov 09 Posted by: AlJazeeraEnglish
Video duration: 173 seconds Global video hits: 1617 Tasmania's abundance of wind and water has the potential to make the Australian island one of the world's leading renewable energy providers. Local leaders have pledged that in a few years all of Tasmania's energy needs will come from renewable sources. But as Al Jazeera's Tony Birtley reports, the effects of climate change are making that goal difficult to achieve. |
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Renewable Energy and the Future Posted by: UCtelevision
Video duration: 5390 seconds Global video hits: 4910 The Emerging Energy Technologies Summit 2006, part of ucsb's Technology Management Program, takes a look at more efficient and renewable energy sources, solar and wind power, production of ethanol, and more energy-efficient cars. Series: "Technology Management Program" [7/2006] [Science] [Show ID: 11695] |
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US Looks to Iceland for Renewable Energy Answers Posted by: CleanSkiesNews
Video duration: 425 seconds Global video hits: 314 Tyler Suiters travels to Iceland to explore how Reykjavik Energy's use of Iceland's sources of renewable energy have allowed the company's customers to pay three to four-times less than their European neighbors. |
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