global warming
Global warming is a huge environmental and economic challenge that we are facing in the 21st century. Global warming is also commonly referred to as the greenhouse effect. Global warming can affect entire ecosystems and climates, which in turn affect the way in which people live. We in our lifetimes will not be around to see the major outcome of global warming; however, it is still a major concern. It has come to be known that the major increase in temperature over the last century is a result of the Industrial Revolution. During the Industrial Revolution, when new machines were being used, there were major increases in carbon dioxide levels in the atmosphere, which is one of the main causes of the greenhouse effect. This is the main reason that scientists believe the temperature increase is the effect of humans rather than a climate change.Over the course of the past century, the Earth's global temperature has risen by about one degree Fahrenheit. This may not seem like a large increase, but given the time period in which this increase occurred, the change is quite amazing. Some scientists argue that this one-degree increase is just the Earth's natural changing climate, but others believe that it is
Unfortunately, most of the greatest impacts depend on the rainfall, which cannot be determined in certain areas. More and more scientists are becoming convinced of global warming and its dangers. Deserts may expand and the characteristics of National Parks may be permanently altered. Scientists have been trying to calculate the results of global warming by doubling and even tripling the Earth's global temperature. Global warming doesn't just affect the temperature; it also affects all aspects of climate and weather. Scientists say that there is not much for us to be worried about, and that the affects of global warming occur so gradually, that we will have enough time to remedy the situation before any disasters take place. As the climate changes, regions forests, crops, and water supplies can be altered. Climate of Fear: Why we shouldn't worry about GlobalWarming. YaleUniversity Press, New Haven, 1990. As the temperature increases, the sea level rises, and precipitation changes along with other climate conditions.
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