Global Warming: Causes and Effects

Global Warming: Causes and Effects The term “global warming” is often used synonymously with the term climate change, but the two terms have distinct meanings. Global Warming is a gradual increase in the earth's temperature. Novdia explained that “global warming refers to the documented historical warming of the Earth's surface, based upon worldwide temperature records that have been maintained by humans since the 1880s” (Global Warming). Global warming is a major crisis in the world today. Three causes of global warming are the greenhouse effect, increase of carbon dioxide emission, and the effects of temperature increase.

The greenhouse effect is a primary cause of global warming. It is a gradual rise in temperature in the earth's atmosphere due to the heats absorption from the sun and entrapment of gases, water vapor, carbon dioxide, methane, in the air around the earth. An example of this is a bright sunlight will effectively warm an individual’s car on a cold, clear day by the greenhouse effect. The longer infrared wavelengths radiated by sun-warmed objects do not pass readily through the glass. The trap of this energy warms the interior of the vehicle.

The trapping of the hot air so that it cannot rise and lose the energy by convection also plays a major role. Stephen Novdia stated, “The greenhouse effect was discovered by Joseph Fourier in 1824, first reliably experimented on by John Tyndall in 1858, and first reported quantitatively by Svante Arrhenius in 1896” (Global Warming). Greenhouse effect then becomes a primary cause of global warming. Carbon dioxide (CO2) emissions cause global warming. It is gas in the earth’s atmosphere that came from fossil fuels. Fossil fuels are formed by natural resources and are decomposed from buried dead organisms.

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A study on Carbon dioxide emissions in a magazine article on May 2009 found the following evidence: “In the 19th century, scientists realized that gases in the atmosphere cause a "greenhouse effect" which affects the planet's temperature. [The planet’s temperature will increase dramatically by the gases in the atmosphere absorbing the heat. ] These scientists were interested chiefly in the possibility that a lower level of carbon dioxide gas might explain the ice ages of the distant past. At the turn of the century, Svante Arrhenius calculated that emissions from human industry might someday bring a global warming.

Other scientists dismissed his idea as faulty. In 1938, G. S. Callendar argued that the level of carbon dioxide was climbing and raising [the] global temperature, but most scientists found his arguments implausible. It was almost by chance that a few researchers in the 1950s discovered that global warming truly was possible. In the early 1960s, C. D. Keeling measured the level of carbon dioxide in the atmosphere: it was rising fast. Researchers began to take an interest, struggling to understand how the level of carbon dioxide had changed in the past, and how the level was influenced by chemical and biological forces.

They found that the gas plays a crucial role in climate change, so that the rising level could gravely affect our future. ” (Weart) This magazine article influence Americans to recycle because the article is geared to them. With the CO2 causing the increase in weather, it also causes the increase of the greenhouse effect. The CO2 can affect the climate change and the future of the world if the greenhouse effect increases. Causes of global warming exist and so do the effects. Revkin stated, “Americans lead in moving to a world where ‘fossil fuels have been largely modified for carbon recycling or replaced by carbon-neutral alternatives. ” (Challenges to Both Left and Right on Global Warming) A result of increase of weather are polar ice caps and temperature rising. When the temperature increases, the polar ice caps will melt, causing glaciers to melt as well. Glaciers are made up of fresh frozen water and when they melt into the ocean, which is composed of salt water, the ocean currents will be altered. The result of ocean currents altering will also affect the species that live in the ocean. Some species live in salt water and others live in fresh water, but cannot live in both. The increase of water in the ocean will cause evaporation to increase.

The increase of probability and intensity of droughts and heat waves will increase as well. With all the water in the ocean and the weather increasing, it will cause warm water and more hurricanes. Global warming has both causes and effects. It is one of the most major crisis that will affect the world today, yet the most difficult to resolve. If I had a choice, I would make everybody recycle and you use resources. I would also have Americans reduce the Carbon emissions. Even if we stopped emitting greenhouse gases today, the Earth would still be warm by some kind of degree Fahrenheit.

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