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essay on global warming
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Global warming has become a well conversed topic among scientists and peoples in the world today. There are extremists who do everything possible to stop contributing to the warming, but the average person does little to alleviate the issue and in many cases refuses to acknowledge that there is a problem at all. Dating back to millions of years ago, even before humanity was born, the world has always experienced one form or another of warming; so the warming seen today is not as bizarre as many may think. The prevalent saying that history often repeats itself, is no joke when discussing global warming. As to what is kindling the current warming, that is where a query is imposed. Scientists from around the globe have theorized close to every possible contributor to the warming seen today, and the conclusion that present occurrences of global warming are being evoked by human interference has become evident.
Human existence and activities have proved to contribute immensely to the warming. When oil was first becoming a major world energy resource, greedy capitalists actively pursued any and all measures to profit from it. The expansion of embryonic corporations became the single most superior motive, forgetting completely about the care of the planet. All aspects of oil production, including the: extraction, refining and transportation generated considerable amounts of environmental pollution.
Global warming is the long-term rise in the average temperature of the Earth's climate system. It is a major aspect of climate change, and has been demonstrated by direct temperature measurements and by measurements of various effects of the warming.
A greenhouse gas (sometimes abbreviated GHG) is a gas that absorbs and emits radiant energy within the thermal infrared range. Greenhouse gases cause the greenhouse effect. The primary greenhouse gases in Earth's atmosphere are water vapor, carbon dioxide, methane, nitrous oxide and ozone.
Ongoing effects include rising sea levels due to thermal expansion and melting of glaciers and ice sheets, and warming of the ocean surface, leading to increased temperature stratification.