Humanity has always had power needs, and in the Industrial Revolution, animal and human power was replaced with steam power and electricity. This transformed power in most parts of the world, and as of the 20th century, fossil fuel power plants and nuclear plants become common. As the 21st century began, these fossil fuel sources continued to provide the bulk of power for the United Sates and abroad, but fossil fuels came under heavy scrutiny. After all, fossil fuels create a lot of pollution, such as atmosphere emissions. The global “go green” initiative calls for many measures to protect the natural world, and one of them is to phase out fossil fuels in favor of cleaner energy. What is clean energy? How does sustainability come from it? Solar panel installation is a fine example of energy sustainability today, and commercial solar companies are hard at work to make this a reality.
There is a huge appetite for energy and electricity in the United States and b