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Climate change refers to changes in climatic conditions over a long period of time. Usually with different periods of temperature and precipitation and other climate factors to reflect the difference between the statistics. The length of time varies from the longest billions of years to the shortest interannual changes.
In the first paragraph of the United Nations Framework Convention on Climate Change (UNFCCC), the UNFCCC distinguishes between "climate change" consisting of atmospheric changes and the "climate variability" attributable to natural causes due to human activities. Climate change is mainly manifested in three aspects: global warming (Global Warming), acid rain (Acid Deposition), ozone damage (Ozone Depletion), which global warming is the most pressing problem of mankind, related to human The future!
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