“Global warming” is the term for the rise in Earth’s average atmospheric temperature. It is known that Earth’s average global temperature has been rising slowly over time, a trend that has been particularly noted since the beginning of the Industrial Revolution in the second half of the eighteenth century. It is generally conceded that increases in air temperature could alter precipitation patterns, change growing seasons, result in coastal flooding, and turn some currently fertile areas into deserts. The exact cause or causes of this Phenomenon are not known, but global warming could be part of a normal climate cycle, be caused by natural events, or could arise because of the activities of humankind.
The Earth is getting hotter, faster. Since records began more than 130 years ago, the average surface temperature has risen by nearly 1 degree C. A gradual increase in the overall temperature of the Earth's atmosphere generally attributed to the green house effect caused by increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants.
Simply, the globe is heating up. Both land and oceans are warmer now than record keeping began in 1880, and temperatures are still ticking upward. This temperature rise, in a nutshell, is global warming.
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