Natural gas _______ about 21% of the total energy used worldwide.

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Natural gas is a valuable and versatile energy source that has been used for centuries. It is composed primarily of methane and is found in deep underground reservoirs, often in association with crude oil. Today, natural gas is one of the most widely used energy sources in the world, accounting for about 21% of the total energy used worldwide.

Natural gas is a clean and efficient energy source that can be used for a variety of applications. It is used to generate electricity, heat homes and businesses, and power vehicles. Natural gas is also used in industrial processes and to produce a variety of products, such as plastics, fertilizers, and fabrics.

Natural gas is a relatively inexpensive and abundant energy source, and it is much cleaner than other fossil fuels such as coal and oil. It produces fewer emissions than these other fuels, and it can be used to reduce air pollution. Additionally, natural gas is an important part of the global effort to reduce greenhouse gas emissions.

Natural gas is also a reliable energy source. It is stored in underground reservoirs and can be easily transported through pipelines. This makes it an ideal fuel for electricity generation, as it can be quickly and easily dispatched when needed.

Despite its many advantages, there are some drawbacks to natural gas. It is a finite resource, and its extraction can cause environmental damage. Additionally, natural gas production can result in methane leaks, which are a potent greenhouse gas.

Overall, natural gas is an important energy source that can be used to reduce emissions and meet energy needs. It is a clean, reliable, and abundant energy source that can be used for a variety of applications. As the world continues to move towards a low-carbon future, natural gas will remain an important part of the energy mix.