Growing energy demands, rising energy costs, and increasing concern about global climate change

900 WordsApr 23, 20194 Pages
Growing energy demands, rising energy costs, and increasing concern about global climate change have sparked strong interest in utilizing alternative energy technologies, such as nuclear power, hydrogen energy, biofuels, and renewable energy. Unlike renewable energy, some alternative energy technologies are not mature enough to be used as a main energy source (biofuels and hydrogen energy). Although some alternative energy, e.g. nuclear power, can reduce energy shortage, they are not environmentally friendly as most renewable energy, for example wind or solar power. Even though nuclear power does not generate any greenhouse emission like conventional energy sources, nuclear stations can produce extremely hazardous waste and nuclear…show more content…
Primary disadvantage of nonrenewable energy is pollutions. When we are mining, processing, and consuming nonrenewable energy, we are causing negative effect on our environment. In addition to environmental factors, the disadvantages of nonrenewable energy resources also include problems posed for human health. Coal dust can also cause other diseases related to the byproducts and pollution involved in the refining process. Many people will mourn the ease of coal usage. However, if the choices are between momentary conveniences and bequeathing a clean world to our children, there is clearly only one option. It is our responsibility to assure the Earth’s ecological balance. In United Nations’ proposal “The Earth Charter”, UN appeals to us to protect Earth’s ecological systems, cautiously using natural resources, promote ecological sustainability. Human activity is overloading our atmosphere with carbon dioxide and other global warming emissions, which trap heat, steadily drive up the planet’s temperature, and create significant and harmful impacts on our health, our environment, and our climate. In order to protect Earth’s ecological systems, we must reduce carbon dioxides and other greenhouse emissions. Renewable energy would allow us to significantly reduce greenhouse gases emissions. Renewable energy are energy obtained from sources that are virtually inexhaustible and replenish, such as wind and solar, geothermal,
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