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Climate change has long been one of the global environmental challenges humanity has faced. Research data published by reputable agencies prove that a slow but steady rise in surface temperatures is a sustainable trend. The information reflecting average temperatures shows that since 1880, the average has increased by 1.1 °C by 2020. This value, which includes tenths of a degree, seems small, but compared to historical indicators over the centuries, an active rise in temperatures has been observed over the last century. The reliability of the measurements cannot be questioned because the distribution over decades is carried out in the form of a detailed report for each year. Therefore, these figures are direct confirmation of climate change towards global warming.
The rise in temperature has affected all seasons, but the most obvious results are observed during the cold season, which has led to milder winters. According to the national agencies, this trend will continue, which, in turn, is fraught with such problems as melting glaciers and a gradual increase in average temperatures. Hot daily highs increased insignificantly in the United States towards the end of the 20th century, but comparing the data of hot daily lows, one can notice a critical increase in indicators by tens of percent. This is particularly true in cold areas, for instance, in Alaska. Over the past 50 years, the average snow cover has changed dramatically, and large areas of the surface have warmed so much that snow no longer lies on them. Environmental risks are associated with the loss of populations of bird and animal species, loss of fresh water supplies, and other ecological threats. Thus, sustained temperature change on earth is an acute problem.
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