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What is clean energy? Typically, the term 鈥渃lean鈥� or 鈥渃arbon-free鈥� energy is used to refer to the electricity that is generated by facilities that do not directly emit greenhouse gases such as carbon dioxide during the generating process. Though there is some overlap between the categories, clean energy is different from 鈥済reen鈥� energy and 鈥渞enewable鈥� energy.

Why is Clean Energy Important?

Our world runs on the energy we produce. Clean energy production allows us to generate the energy we need without the greenhouse gas emissions and negative environmental effects that come with fossil fuels, in turn helping to reduce climate change.

What are greenhouse gases? Put simply, they鈥檙e gases that trap heat in the Earth鈥檚 atmosphere. The greenhouse gases that get released during fossil fuel combustion are one of the largest contributors to increasing CO2 levels. For example, coal was used to create about of the energy consumed in America in 2020. That same year, coal was responsible for about of total annual CO2 emissions.

The more we鈥檙e able to reduce our carbon footprint and rely on clean and renewable sources of energy, the better chance we鈥檒l have of mitigating the effects of climate change and preserving our planet for future generations.

Examples of Clean Energy

When discussing clean energy, the conversation isn鈥檛 limited to . There are beyond just wind turbines and solar panels. Clean energy can be sourced through nuclear resources, wind, the power of the sun and even water. The following are examples of clean energy.

Nuclear energy

Nuclear energy is generated through a process called nuclear fission. First, atoms are split apart to form smaller atoms, creating heat in the process. The heat that鈥檚 created is then used to boil water into steam, which powers an electricity-creating turbine. It鈥檚 one of the available in our country.

Hydroelectric energy

Hydroelectric energy, or hydropower, is created using the force of running water. As the water moves, it spins in the blades in a turbine, which then powers the generator that produces energy. Hydropower also offers benefits beyond electricity generation, such as flood control and support for irrigation.

Solar energy

works by using solar panels to absorb and trap sunlight. An inverter then converts the sunlight into AC electricity, which can be used to power your household appliances.

Wind energy

Wind is another energy source that is both abundant and easy to access. To create wind energy, air blows across the blades of large turbines, causing them to rotate. The energy created by the rotating blades is then harnessed and converted into the electricity we use in our homes.

Geothermal energy

Geothermal energy is produced using heat from within the Earth鈥檚 core. The process begins by drilling holes into the ground, which enables steam and water to rise to the surface. Once it reaches the surface, the water is then used to power the turbines that generate electricity.

Benefits of Clean Energy

There are many benefits of clean energy, but the top two are environmental and financial. From an environmental standpoint, the process for producing clean energy emits fewer pollutants than the process for generating fossil fuel-based energy. Reducing these harmful emissions is a vital step in combating climate change. From a financial perspective, as the clean energy industry continues to grow, it can help create new job opportunities and stimulate the economy.

• Limits greenhouse gas emissions. This improves air quality and reduces environmental harm.
• Creates new jobs. As production plants are built, it could bring an increase in jobs and benefit the economy.
• Reduces dependence on other types of energy sources. There is an abundance of clean energy resources such as wind and solar. Utilizing these may help reduce reliance on other types of fuel sources, such as coal.

How Can Clean Energy Be Used?

Clean energy has several uses which vary based on the source of the energy. For example, solar energy, wind energy, and hydroelectric energy are all types of clean energy, but each is used in slightly different ways.

Solar energy is versatile and can be used to heat water and buildings, power appliances, and . Solar energy is also used to create electricity. In 2021, of the electricity generated in the U.S. was done using solar energy.

Wind power has long been used to perform strenuous mechanical tasks, such as grinding grain and pumping water. It鈥檚 also commonly used to produce electricity, accounting for of the electricity generated in the U.S. in 2021.

Hydropower has had several uses throughout history. In its , hydropower was used to automate manual tasks like irrigating crops and grinding wheat into flour. Now it鈥檚 also used to produce electricity, with of all U.S. electricity generation coming from hydropower in 2021.

Nuclear energy was first used to create electricity in , making it a fairly new technology. However, it鈥檚 becoming an increasingly common choice for generating the electricity that鈥檚 used in businesses and homes. In 2021, of all the electricity generated in the U.S. was made using nuclear energy.

How is Clean Energy Related to Climate Change?

To understand how clean energy is related to climate change, it鈥檚 important to first understand what climate change is. Climate change refers to the long-term shifts that occur in Earth's temperatures and weather patterns. These shifts have become more dramatic due to human activity and will continue to lead to droughts, severe fires, and other natural disasters if not properly addressed.

Knowing what climate change is is one thing, but it鈥檚 another to understand what鈥檚 driving it. There are a causing climate change, with one of the largest contributors being greenhouse gas emissions. When fossil fuels such as coal and oil are burned to generate electricity, they release carbon dioxide, a harmful greenhouse gas. In 2020, electricity production accounted for in the U.S., making it the second largest source of greenhouse gas emissions in the country.

The use of clean energy sources, such as water, wind, sunlight and nuclear, to generate electricity helps to reduce greenhouse gas emissions and mitigate climate change. This is because clean energy sources don't emit any greenhouse gases, such as carbon dioxide, during the electricity generating process. As energy technologies continue to develop and expand, the possibilities of creating new carbon-free electricity sources expand as well.

How Can We Get Clean Energy?

Clean energy can be obtained using any of the following sources:

• Sunlight. Sunlight is an easily accessible and abundant source of energy. Though there are limitations in how much of it we can turn into energy, the amount of sunlight that strikes the earth's surface in an hour and a half is enough to for a year.
• Water. Water is another common source of clean energy. Every state in the U.S. except for uses hydropower for electricity, though some use more than others. For example, over in Washington state comes from hydropower.
• Wind. Humans have been using wind as a source of energy since . The practice has remained both accessible and popular, with wind power being the in the United States in 2020.
• Geothermal heat. The heat from within the Earth can be used as a source of energy. Most of the United States鈥� geothermal resources are located in . Geothermal energy is not as abundant as other types of clean energy and was only used to generate of the electricity in the U.S. in 2021.
• Nuclear fission.聽The energy that exists in the nucleus of an atom can be used to create electricity through a process known as nuclear fission. As of 2021, the U.S. had in operation throughout the country.

Is Clean Energy Really Clean?

An energy source is only considered clean if no, or very little, pollutants are emitted during the energy generation and storage processes. Most clean energy sources are also renewable, but that doesn't have to be the case. For example, nuclear energy is a that won鈥檛 naturally replenish over time.

There are still environmental considerations to consider with clean energy sources, such as land use impacts and impacts to soil and water.聽However, clean energy than fossil fuels and the greenhouse gases they produce.

色花堂 & Clean Energy

With the various clean energy options now available, determining what鈥檚 best for your needs can be overwhelming. 色花堂 has renewable energy solutions available to businesses and homeowners in most states, and clean energy options available to many businesses, bringing renewable and clean energy resources to both homeowners and business owners alike. Compare energy solutions for your home and renewable energy plans.