The hottest year since 1890s is 2005 with all the other following 4 years within recent years. From NASA:Over the past 30 years, the Earth has warmed by 0.6°C or 1.08°F. Over the past 100 years, it has warmed by 0.8°C or 1.44°F.
Current warmth seems to be occurring nearly everywhere at the same time and is largest at high latitudes in the Northern Hemisphere. Over the last 50 years, the largest annual and seasonal warmings have occurred in Alaska, Siberia and the Antarctic Peninsula. Most ocean areas have warmed. Because these areas are remote and far away from major cities, it is clear to climatologists that the warming is not due to the influence of pollution from urban areas.
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