Description: Climate deniers don't deny climate change any more, Climate crisis: UN secretary general warns ‘humanity has opened the gates of hell’, World on ‘Highway to Climate Hell’: UN Secretary General, U.N. secretary-general delivers dire warning on climate change
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Climate is the statistics (usually, mean or variability ) of weather , usually over a 30-year interval. It is measured by assessing the patterns of variation in temperature , humidity , atmospheric pressure , wind , precipitation , atmospheric particle count and other meteorological variables in a given region over long periods of time. Climate differs from weather , in that weather only describes the short-term conditions of these variables in a given region.
A region's climate is generated by the climate system , which has five components: atmosphere , hydrosphere , cryosphere , lithosphere , and biosphere .
The climate of a location is affected by its latitude , terrain , and altitude , as well as nearby water bodies and their currents. Climates can be classified according to the average and the typical ranges of different variables, most commonly temperature and precipitation. The most commonly used classification scheme was Köppen climate classification originally developed by Wladimir Köppen . The Thornthwaite system, in use since 1948, incorporates evapotranspiration along with temperature and precipitatio