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Climate Change
Before the Industrial Revolution, climate change was caused by mainly by four fundamental factors: variations in the earth's orbital characteristics; variations in the earth's atmospheric carbon dioxide levels; volcanic eruptions; and variations in solar output. However, due to the amount and types of chemicals emitted by humans into the atmosphere since the Industrial Revolution, it is highly likely that human beings are becoming a fifth major factor causing climate change on Earth. It might be impossible to track long-term trends yet, however, since human beings have only been industrialized for about a century. Nevertheless, the evidence for a human-caused climate change is strong.
Similarly, the greenhouse effect occurs naturally in the earth's atmosphere: a protective layer of gases insulates the Earth and keeps its temperature regulated and far warmer than it would be without the greenhouse effect. However, due to large-scale agricultural and farm animal production, the greenhouse effect is being exacerbated by human beings. For one, high levels of methane are being released into the Earth's atmosphere. Such high levels of methane would not be released naturally. The same is true for other greenhouse gases like nitrous oxide. However, by far the most notorious greenhouse gas that might be causing the earth to become consistently warmer over time is carbon dioxide, which is released into the atmosphere by factories as well as automobiles. The combination of these human factors with the natural factors mentioned above, including variations in the Earth's orbit, could be causing more rapid and more severe climate change. Evidence for human-induced climate change includes El Nino and other new and odd weather patterns as well as the melting of the polar ice stores, and changes to certain ecosystems and lifestyles of animal and plant life around the planet. Human beings are not causing all the changes in climate but we are contributing to global warming and other climate changes.
Climate Change A review of recent developments in climate change science. Initial Reaction. This is an eye-opener of an article. The facts presented in the journal Progress in Physical Geography show powerful evidence that the climate is changing faster than earlier believed. The Intergovernmental Panel on Climate Change (IPCC) empirical reports are fascinating to me, and understanding this global threat is important for all citizens. For those who believe conservative talk radio (global
Climate Change Impacts on Agriculture Weather and the related temperature, light and water determine to a large extent the human society's ability to feed themselves and the animals they care for. When the weather changes due to variations n climate or long-terms changes in climate there are very serious impacts on agricultural production and reduction of crop production and these force the farmers to take up new methods of agriculture so
Language Arts Writing - Standard 4: Gathers and uses information for research purposes. Reading, Standard 7: Uses reading skills and strategies to understand and interpret a variety of informational texts. Listening and Speaking -Standard 8: Uses listening and speaking strategies for different purposes. Standard - Uses viewing skills and strategies to understand and interpret visual media. Standard 10 - Understands the characteristics and components of the media. Thinking and Reasoning Standard 1 -Understands and applies the basic
This is above the historical average of 2.5% a year. What this shows is that because the different governments are encouraging the development of the region; many countries are being to see increased economic growth. As the continued investments in these areas, have allowed for the opportunity to increase imports to a number of markets around the world including: China and the United States. ("Latin America at Risk") However, the
A version of this is already in existence in the 17-nation Major Economies Forum. This has been a model of decorum and progress compared with what the world saw unfold at the climate talks (Sarwar and Chesterman, 2009). One country in particular that did not come away from Copenhagen 15 with any warm and fuzzy feelings was that of Canada. Canada's once good reputation as an international leader has been
For example, the polar regions of the earth reflect sunlight because their solar angle is so low, due to their latitude, so they derive little heat from the constant sun they receive. At the equator's latitude, in contrast, things are much warmer and more humid because there is less reflection. Higher altitudes are colder and dryer than lower elevations. Oceans moderate temperature and increase humidity, while inland locations are