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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Oil production in the United States peaked in 1970, and since then industry analysts have been debating just how long global oil reserves will be able to meet the growing demand. Some analysts believe that global production is reaching its peak right now.

You can read about the facts and figures regarding global oil reserves in many articles such as this, but the truth is that no one really knows how much oil is left that can be feasibly extracted. OPEC producers keep it a big secret, as they don’t want to disclose how much oil they have found or think they will find.

Some people think that the world is rapidly reaching the point where the growth in new supplies of oil cannot keep up with the the pace of oil depletion. Officials in the oil industry agree that the days of major new finds of cheap oil in well explored countries such as the US are over. There is still plenty of oil, but it is getting ever harder to find. However, as oil extraction technology develops, many prospects that were not economically feasible to develop before are now being developed. In the future, there will be prospects that are not worth developing today that future technologies will be able to handle. For instance, horizontal drilling is a new technology that means new pockets of oil that were previously unaffordable can now be extracted.
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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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Great news for the solar energy industry in the US this week as Obama announced his new initiative in his weekly address, saying that the government is going to shell out nearly $2 billion for new solar power plants in the US as part of the Recovery Act. Obama said that this will create thousands of jobs and significantly increase the use of renewable energy sources in the US.
Clearly Obama is looking into the future for potential growth industries in a bid to make sure that such industries and their jobs take root within the US. The solar energy industry has one of the highest growth potentials in the medium term amongst all types of renewable energy sources.
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A significant technological leap is being made in the solar panels industry. For the first time ever, an experimental aircraft that generates its own power through solar energy panels is making a round-the-clock test flight.
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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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In our search for renewable energy, many state, local and Federal Government organizations are looking into the cost of solar power plants. The technology may have come a long way in the last thirty years, but the cost still remains one of the disadvantages of solar electricity.
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In 2009, the Solar America Initiative (SAI) was established as part of the Solar Energy Technologies Program. The purpose of the initiative is to encourage research and development of solar energy technology as a more cost effective method of renewable energy for the general marketplace.
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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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As people continue to become more environmentally aware of their actions, they have also probably looked at their home energy use and renewable electric. They want to become more energy efficient to lessen their impact on the environment. Traditional electrical bulbs aren't cutting it any more, people want energy efficient bulbs that use less energy and last a lot longer than traditional electrical bulbs. Recently, there have been a lot of advances in bulb technology and renewable electric thinking. The renewable electric concept is based on thinking of using replenish able sources of energy such as the sun or wind. A bulb that runs directly off this concept is solar bulbs. These collect and accumulate energy from the sun and concentrate it to produce light. Another bright spot in electrical bulbs are energy efficient bulbs that aren't your traditional incandescent light bulb. Using more efficient bulbs in tandem with renewable electric thinking, can seriously reduce environmental harm inflicted upon the planet.
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