Climate Change

Topics: Greenhouse gas, Carbon dioxide, Volcano Pages: 2 (834 words) Published: May 8, 2011
Climate change is not only a problem that is affecting the environment, but it’s affecting the people in it. The changing climatic environment today is a major cause for concern and is now the greatest environmental challenge facing the world today. It has been an importance question of science for years whether or not climate change is a fact or a hoax. To answer this question, it is important to understand the concept of climate change. Climate change is a long-term shift in the climate of a specific location, region or planet. It has been proven that this climate change is real, and not something that was made up. Natural causes in the earth, human action, and the emission of greenhouse gases all contribute to climate change, proving it to be a fact. The earth’s climate is influenced and changed through natural causes like volcanic eruptions and the earth’s orbital tilt. When a volcano erupts it throws out large volumes of gases, water vapor, dust, and ash into the atmosphere. These large volumes of gases and ash can influence climatic patterns and cause atmospheric cooling. Another natural cause associated with climate change is volcanoes. Volcanoes produce tiny particles called aerosols and other kinds of gases, like sulfur dioxide. The sulfur dioxide and the aerosol particles partially block the incoming rays of the sun, leading to cooling. Although the volcanic activity may last only a few days, the large volumes of gases and ash can influence climatic patterns for years. Finally, the earth’s tilt is a natural cause that contributes to climate change. For one half of the year when it is summer, the northern hemisphere tilts towards the sun. In the other half when it is winter, the earth is tilted away from the sun. If there were no tilt we would not have experienced seasons. Changes in the tilt of the earth can lead to small but climatically important changes in the seasons less tilt means cooler summers and more mild of...
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