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The IPCC Fifth Assessment Report (AR5 WG1) of 2013 examined temperature variations during the last two millennia, and cited the following reconstructions in support of its conclusion that for average annual Northern Hemisphere temperatures, "the period 1983–2012 was very likely the warmest 30-year period of the last 800 years (high confidence ...
According to IPCC Sixth Assessment Report, in the last 170 years, humans have caused the global temperature to increase to the highest level in the last 2,000 years. The current multi-century period is the warmest in the past 100,000 years. [3] The temperature in the years 2011-2020 was 1.09 °C higher than in 1859–1890.
— Link (generalized): change the "202401" in the preceding URL to yyyymm where yyyy is the four-digit year and mm is the two-digit month (01=January through 12=December) Graphics note: the SVG code for the chart area and grid, and in some cases the data traces, was automatically generated by the "Line charts" or "Bar charts" spreadsheets ...
Comparison shows seasonal variability for record increases. The warmest years in the instrumental temperature record have occurred in the last decade (i.e. 2012-2021). The World Meteorological Organization reported in 2021 that 2016 and 2020 were the two warmest years in the period since 1850. [51]
While last year registered as the warmest calendar year on record at 1.45 C (2.61 F) above pre-industrial temperatures, at least one of the next five years is likely to be even warmer than 2023 ...
Comparison shows seasonal variability for record increases. ... The Lut Desert was also found to have the highest maximum temperature in five of the seven years ...
The green, orange and yellow lines indicate how surface temperatures will likely respond if leading carbon emitters begin to reduce reliance on fossil fuels. Without immediate curbs, temperatures are set to follow the red track, and increase between 3.2 and 5.4 degrees Celsius by 2100. The green line shows how we can minimize warming if ...
The AR4 SPM statement was that "Average Northern Hemisphere temperatures during the second half of the 20th century were very likely higher than during any other 50-year period in the last 500 years and likely the highest in at least the past 1,300 years. Some recent studies indicate greater variability in Northern Hemisphere temperatures than ...