Washington, D.C., formally the District of Columbia and commonly referred to as Washington, the District, or simply D.C., is the capital of the United States. On July 16, 17â¦90, the United States Congress approved the creation of a special district to serve as the permanent national capital as permitted by the U.S. Constitution.
Fossil Fuels - There are coal, crude oils, oil shales, tar sands and natural gases such as butane, ethane, methane which occur naturally from the decomposition of plant and sea and land organisms over millions of years. Burning fossil fuels is the major way in which humans add to the greenhouse gases in the atmosphere.
Yet fossil fuels are finite resources and they can also irreparably harm the environment. According to the Environmental Protection Agency, the burning of fossil fuels was responsible for 79 percent of U.S. greenhouse gas emissions in 2010.These gases insulate the planet, and could lead to potentially catastrophic changes in the earthâs climate.ossil fuels, including coal, oil and natural gas, are currently the world's primary energy source.