What is Solar Energy?

Renewable energy is frequently cited as a top solution to mitigate the negative effects of rising temperatures. This is due to the fact that renewable sources like wind and solar don’t emit carbon dioxide or other gas emissions that contribute to global warming.

There are many benefits to clean energy beyond simply being “green”. This sector is growing and creating jobs. It also makes the electricity grid more durable and increases access to energy for those in developing countries. It also helps reduce energy prices. These factors have all contributed to the recent revival of renewable energy, with solar and wind setting new records for electricity production.

Over the last 150 years, mankind has relied heavily upon coal, oil and various fossil fuels for powering everything, including light bulb to automobiles and factories to vehicles to automobiles. The greenhouse gases generated by fossil fuels burning have hit record levels.

The temperature average of the earth’s surface is increasing due to greenhouse gases trapping heat that could otherwise escape to space. Global warming is one sign of climate change. Scientists use the term”climate change” to describe the complex changes affecting the weather and climate systems on our planet. Climate change can be described as increasing temperatures extreme weather events, shifting wildlife habitats and population growth, rising seas and a myriad of other effects.

Like any other energy source, have their own trade-offs. One of them is the definition of renewable electricity. Renewable energy, in its strictest sense is precisely what you would expect. It is either perpetually available or according to the U.S. Energy Information Administration says, “virtually unlimited.” Although, “renewable,” does not mean that it is sustainable, as are opponents to large hydropower dams or corn-based ethanol. It doesn’t include other resources with low- or no-emissions that also have advocates like nuclear power and energy efficiency.

3 Examples of Renewable Energy sources

Hydropower: Humans have used the power of rivers for many centuries for harnessing their potential and construct dams to regulate the flow of water. The biggest source of national renewable energy laboratories is hydropower. It is a major source of hydropower which includes China, Brazil and Canada being the biggest producers. Although hydropower can theoretically be a source of clean energy that is replenished through snow or rain however, there are a few drawbacks.

Large dams can cause disruption to river ecosystems and communities. The result could be the displacement of residents and wildlife. Silt accumulation could cause hydropower generation to be less efficient and damage equipment. The drought can also cause problems. According to a study in 2018, carbon dioxide emissions in the Western U.S. were 100 megatons higher than normal over a period of 15 years. This was due to utilities turning on gas and coal to replace lost hydropower because of drought. Hydropower even at its full capacity, has emissions issues as the decaying organic material in reservoirs releases methane.

Dams are not only the best way to harness the power of water, but also is tide and wave energy. Although marine energy projects generate less than 1percent of all renewable energy, they still can produce 500 megawatts. This area has been encouraged through programs such as the Saltire Prize in Scotland.

Wind: Wind energy has been utilized as a source of energy for more than 7,000 years. Wind turbines that generate electricity are now popping up all over the world, with China as well as the U.S. and Europe being the most prominent. United States and Europe are the largest producers of wind power. Between 2001 to 2017 the world’s total wind power increased by 22 times. It was 23,900 mw, but it could generate 539,000 megawatts.

Although some might be unhappy at the way wind turbines appear on the horizon or their noise, wind energy is now more valuable than ever because of its falling costs. While the majority of wind power is generated from onshore turbines most of it comes from offshore wind farms. The most prominent being those in U.K. and Germany. In 2016, one of the first U.S. offshore wind farm was inaugurated located in Rhode Island. Other offshore projects are growing in popularity. Wind turbines pose a risk to birds and bats. They kill thousands of bats and birds annually, but less than collisions with glass or other dangers such as habitat destruction and invasive species. Engineers are searching for ways to make them more safe for flying wildlife.

Solar: Solar cells have revolutionized the energy market all over the world, from rooftops on homes to huge-scale farms. The photovoltaic panel’s installed capacity for energy has grown by 4,300 percent in the period between 2007 and 2017.

Apart from solar panels , which convert direct sunlight into electricity Concentrating sunlight power (CSP), plants also employ mirrors to focus solar power plants, and to extract thermal energy. It is believed that the U.S., Japan and China are leaders in solar transformation. However, solar needs a lot to do. In 2017, the U.S. generated around two percent of the electricity. In the world, solar thermal power is utilized for cooling and heating in the sun and hot water.

Solar energy can be used to power your home

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