Nowadays, many scientists and ecologists are determined to find reliable as well as renewable sources of energy. While solar and wind energy have become common thing for people today, there are other diverse ways to extract energy from. In the article The entire world could be powered by a deep-sea wind farm, scientists find, the author has discussed the ideas of scientists to use the power of sea winds to increase world energy supply.
Deep sea winds tend to be more powerful than onshore winds, and thus, they can produce more energy if used appropriately. Scientists have studied the possibility to evaluate pros and cons or profits and losses. If large wind farms established on land can generate up to 1.5 watts per square meter, future sea wind farms in the North Atlantic will be able to overdo that providing around 6 watts per square meter. The heat, which is emitted into the atmosphere from the ocean surface transforms wind tap into a huge amount of energy, explaining the above-mentioned surprising results.
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As everything in nature adheres to seasons change, North Atlantic winds are expected to weaken producing the fifth of the average annual energy supply during summer time. However, it will not drastically affect the life of people dependent on it because the reduced amount of electricity will satisfy the demands of all European Union countries.
The author sounds very optimistic about the renewable sea winds power claiming that theoretically it would possible to cover all the energy used by the world today if the ocean coast of three million square kilometers was abundant with wind farms. Undoubtedly, such a project would require international financial support as well as cooperation. In practice, this advance should be accepted in regards to political and economical relations between countries involved.
Plastic Waste Could Fuel Cars of The Future Thanks to Scientific Breakthrough
With the progress in transportation, people have manufactured environmentally friendly vehicles that do not use fossil fuels and thus, do not pollute air. Tesla, Nissan LEAF are well-known examples of electric cars. Besides, there are hydrogen cars which run on electricity but do not require a battery to recharge. They get power from hydrogen and oxygen reaction and produce water vapor as a byproduct. Recently, scientists have found a way to efficiently use plastic waste to fuel cars of the future.
To fuel the electric cars with plastic waste, it is necessary to convert it into hydrogen. The researchers from Swansea University have tried to add a light absorbing material to plastic and left it in a solution exposed to sunlight. The results have astonished them as the process of converting requires neither special conditions nor expensive materials. Besides, recycling plastic waste becomes unnecessary in this case as a little grease or oil can even boost the process of conversion. Thus, getting hydrogen in such a way appears to be cost-effective and easy.
The researchers are assured that is a perfect combo – to use plastic waste that has not been recycled yet and to fuel electric cars. However, they are afraid that it might take years before the experiment in a laboratory becomes an industrial process and many car manufactures will support the idea producing electric and hybrid cars.
Considering that a number of campaigns against using plastic (supermarket bags, take away boxes) has been increasing each year, there is an abundance of plastic to be recycled or used. The way to get fuel from plastic seems cost-effective and simple, but it requires many tests and trials to be accepted. The economic sphere is also affecting the future time when it will become a common thing to run plastic-fueled cars.
Europe may thrive on renewable energy despite unpredictable weather
To save natural resources, preserve the pristine environments, and find renewable energy, people have succeeded in using solar, wind, and water power. With the pass of time, people have even learned how to not depend on the season and meet their demands. In the article Europe may thrive on renewable energy despite unpredictable weather, the author discusses the results of the research suggesting that despite unpredictable weather conditions, sun and particularly wind, Europe is able to supply around 35% of electricity. Then, the author explains the way people see advances in the field.
Obviously, wind and solar energy farms have their drawbacks – they are very susceptible to weather changes. Thereby, researchers spent a lot of time analyzing weather patterns during different years to predict the future use of the resources. By 2030, it was estimated that Europe will use up to two thirds of its electricity supplies, one third of which gotten from wind and solar energy.
Having the possibility to use data gathered during the observation, the researchers can model a healthy number of different scenarios of weather patterns. In such a way, the understanding of how reliable and influential the natural sources are will help to increase the knowledge about the use of renewable energy. This knowledge will be crucial for companies and plants which greatly rely on the electricity get from wind and solar farms.
To conclude, being able to predict weather changes and get ready for them is very important these days when more and more people rely on renewable sources of energy. It has become a real breakthrough when European researchers could predict the capacity of the European power system using solemnly renewable sources and keeping them stable.