It is difficult to believe that there are countries that can be generating all of its electricity from renewable sources, but it is already a reality. The following 5 are the top renewable energy countries: 1) Iceland. As many people know, Iceland is one of the top renewable energy countries due to the large amount of geothermal power it produces. 27 percent of electricity is via geothermal in Iceland, and the remaining 73 percent is supplied via hydro. So, Iceland is 100 percent renewable!
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The problem of energy storage is not just related to the global increase in the number of renewable energy projects such as winder and solar farms. Energy peak demand has always been a big problem for energy suppliers. Demand rises and falls in a cyclic pattern throughout the day and week, and electricity suppliers have to be able to cope with this. This means that they produce more power than is required in off-peak times and store it for peak times. It is not feasibly possible to turn coal fired plants on or off, and gas plants can be fired up quickly, but they are expensive and very inefficient.

This problem has assumed an even greater importance now though, as many countries have policies in place to accelerate the move to a low carbon economy and renewable energies, and some of these renewable energy sources, such as wind and solar, produce power intermittently, so without effective renewable energy storage systems it will become harder for electricity suppliers to provide reliable energy supplies.
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1. Wind. This is probably the most promising of all sustainable energy sources. There is a lot of potential in wind energy. Currently wind power is responsible for producing about 20 percent of Denmark’s electricity, and about 7 percent of Germany’s electricity – the country that has the largest market in the world for wind power. However, there are some disadvantages to wind power as well. Of course, it is necessary to put the wind turbines in very windy places, otherwise they will not be effective. This means they would simply not work in certain areas of the world.
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7 Reasons Why Future of World Economy Depends on Renewable Energy – Updated article with new information – with focus on benefits for the US economy

There are various reasons as to why the global economic future depends on alternative renewable energy sources. Here are seven of these reasons.
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7 Countries that Use Renewable Alternative Energy the Most.
http://www.bionomicfuel.com/7-countries-that-use-renewable-alternative-energy-the-most/
The increased interest in alternative energy sources is expanding each year, exponentially. Governments and companies alike are seeing alternative energy as not only the most cost effective direction to take, but a business-savvy move.  Thefore, this list will change, based on the financial investment changes that countries around the world make. This article gives an update to the previous article, with some surprising twists on specific countries and their status. To review the true top 7, please read the original article.
Canada.  A rather disappointment occurrence has been the decrease of Canadian investment in alternative energy.  Canada was on the original list of top seven countries, but, due to legislative and individual company investment problems, they have dropped off the list entirely. A large percentage of drop has been in the solar side.
Sweden. This is one of the oldest countries for renewable energy, because Sweden has been advocating against environmentally harmful energy sources for decades. Sweden’s goal is to be totally free from oil by 2020 and it shouldn’t have much trouble meeting this goal. They are investing in hydroelectric, biomass and wind power with a smaller investment in solar.
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This article follows on from our previous article on global warming in Antarctica. Here are some facts and figures regarding the consequences of global warming in Antarctica.

1) In the last 30 years, no less than seven gigantic ice shelves have reduced in area by 14,500 square kilometers.
2) The global warming effect on Antarctica is five times as strong as anywhere else. In the last fifty years, the continent has experienced a warming of around 4.5F, or 2.5C.
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There are two types of sources of energy in the world: renewable energy sources and non-renewable energy sources. Renewable energy sources include solar energy, biomass energy, wind energy, tidal energy, hydro energy, and geothermal energy. Non-renewable energy sources include oil, coal, natural gas, and nuclear energy.

Renewable energy sources are generated directly from nature, like the sun, rain, wind, tides, and it is possible to generate it over and over whenever it is needed. Renewable energy sources are abundant and are definitely the cleanest energy sources in Earth. For instance, it is possible to utilize the energy we get from the sun in order to generate electricity. Geothermal, wind, tides,and biomass energy from plants can also be used in different forms.

Most energy that is used in the world today is generated from non-renewable energy sources. These energy sources can be re-generated over a short period of time. Natural gas and oil are derived from anicent plant or animal remains or fossils. These remains are what we have been left with after millions of years of fluctuation in pressure and temperature.
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The 8 leading sources of renewable energy that will supply half the world’s power by 2050

The following is a list of sources of renewable energy that are especially promising in two aspects: competitiveness and abatement potential.

1.Onshore Wind
This is one of the main sources of renewable energy power, as wind technology is the renewable energy sector that is the most mature. 21GW were built in 2007 in the onshore wind industry, which made the installed capacity exceed 100GW. In Denmark, Spain, and Germany electricity generation from wind technology now comprise up to 19 percent of the nations needs (in Denmark) throughout the duration of the year.

2.Offshore Wind
There is enormous potential in offshore wind technology, which makes it a powerful source of renewable energy. Since the winds are more predictable, the space for turbines is almost unlimited. It may be easier to obtain planning permission than for onshore wind, and it is possible to construct farms at scales that would be impossible on land. In addition, if deep waters can be mastered, the space available becomes virtually unlimited.

3.Solar Photovoltaic Power
In the past four years Photovoltaic (PV) technology has made noticeable progress with reducing crystalline silicon costs, which is its main component. It has also made very rapid strides in commercializing thin film technology. In the last two years its investment volume increased to $50 billion.

4.Solar Thermal Electricity Generation
PV may be a perfect source of renewable energy for smaller-size projects, which are mostly integrated into buildings, but big solar plants in deserts worldwide seem to be choosing Solar Thermal Electricity Generation (STEG). This system concentrates the sun’s heat and generates steam that may be utilized in efficient conventional turbines.
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Kempton is one of the beautiful locations in Pennsylvania that makes you think of home. Just outside Allentown, PA, the community is known for their rolling hills and friendly atmosphere. It is of no surprise that they take incredible pride in the high level of ecological interests; Kempton Pennsylvania has taken this to the next level. It I here, in September, that you will see Kempton hosting the Pennsylvania Renewable Energy and Sustainable Living Festival. It seems that Kempton is setting the bar pretty high and is now an example of excellence for other states to follow.
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We are in a current global situation where all industries, governments and scientific laboratories are seeking forms of renewable energy. As we make our attempt at removing ourselves from the dangers of fossil fuel dependency, we need to research what forms of renewable energy have the greatest potential.
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