Deforestation Essay

1415 words - 6 pages

Introduction
Deforestation is a highly controversial issue and occurs around the world at an unprecedented magnitude. It is vast as well as a wide occurrence. Climate change on the other hand, is an enormous crisis in today’s world, and deforestation plays a critical role in it. The Britannica Encyclopedia defines deforestation as the loss, clearing, cutting or destruction of naturally occurring forests, mainly due to human actions; deforestation occurs as humans need it for logging, agriculture, clearing land for livestock grazing, cutting trees for fuel, mining or oil extraction, urban or economic development and population expansion. Being that deforestation has become a growing global ...view middle of the document...

Many countries are worried about the economy now as they need to feed their families but pay little attention to how their grandchildren will be affected. Scientists have made great progress toward understanding climate change around the world. There is a great amount of accurate scientific evidence that is based on several independent researchers, recorded climate change at an increasing alarming rate. The activities of humans in deforestation have resulted in an increase in small particles being released in the atmosphere. In theory as the sun rays are covered by these small particles tend to have a cooling effect, like being under a shade tree. Since the beginning of the industrial revolution most of these small particles being released consist of numerous gases, chemicals, smog, fires, carbon monoxide and chlorofluorocarbons increasing greenhouse gases and depleting and destroying the ozone layer. Changes in volcanic activity and solar radiation can also alter the climate, but scientific study show that they cannot explain the recent warming trend. The Panel on Advancing the Science of Climate Change reports that natural climate unpredictability will lead to years and decades of unstable temperatures and other climate changes. Human population and other species living in coastal regions will be prone to frequent stronger storms. The devastating effect will introduce saltwater to freshwater aquifers and other risks as sea levels rise. Fresh water accessibility will decrease in many areas that are already drought-prone and in areas where rivers are fed by glaciers or snowpack. Areas with high precipitation will experience high temperatures follow by drought or increase the risk of flooding in some regions causing the spread of water-borne diseases. In the last 8 years the world has experienced record high temperatures followed by droughts and flash floods with frequent snow storms.
Global warming
Deforestation has also contributed to global warming since there are less trees to produce oxygen and stabilize the climate it is due to increased presence of greenhouse gases in the earth’s atmosphere. There is a belief that deforestation is one source of carbon emission into the atmosphere but it is only one part of the story. In truth forests soak up carbon dioxide gas and therefore offset the levels of carbon dioxide gas in the atmosphere. The tropical rain forests similarly play a substantial role in cooling the earth’s surface through evaporation and cloud cover. Strong evidence also indicates that recent warming is largely caused by human activities, especially the release of 20 percent of all greenhouse gases through the burning of fossil fuels. Global warming is closely associated with other climate changes and impacts, including rising sea levels, increases in intense rainfall. Thermometer measurements show that Earth’s average surface. As observed by Dr. Edward Wilson in his book The Diversity of life 1992 (pg. 271-272) temperatures have...

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