The last four years have been the hottest in modern history.

That global warming might bethe cause of the death of all mankind, has long been known. Unfortunately, many people do not realize the seriousness of this problem, since climate change is occurring so slowly that it is almost impossible to notice them without comparing the temperature indicators of different years. Recently, several organizations have immediately shared sobering statistics - it turned out that over the past 100 years, the average temperature of the earth has risen markedly, and the last five years have been the hottest in modern history.

Almost the same observations sharedseveral organizations at once: NASA, World Meteorological Station and the US National Oceanic and Atmospheric Administration (NOAA). Instrumental temperature measurements in the United States began in 1880, and if we compare the figures of those times with the current, the planet has become 1 degree Celsius hotter in the intervening time. The five of the hottest years included 2015, 2016, 2017 and 2018.

Temperature records belong to Europe, NewZealand and even Russia. The temperature increase, of course, can be traced on the surface of the water - records are noted in the South Pacific and in the Atlantic. In addition to the fact that the planet is getting hotter, the level of the World Ocean rises on it, as well as water oxidation and glacier melting occur.

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All this information is collected 6300meteorological stations located throughout the world. The researchers also take into account the testimony of the Antarctic stations and vessels that measure the temperature of the water. More recently, scientists have learned that the color of water may be an indicator of the onset of global warming - by the end of the 21st century they may become more blue and green.

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