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  2. Temperature record of the last 2,000 years - Wikipedia

    en.wikipedia.org/wiki/Temperature_record_of_the...

    The temperature on land rose by 1.59 °C while over the ocean it rose by 0.88 °C. [3] In 2020 the temperature was 1.2 °C above the pre-industrial era. [4] In September 2023 the temperature was 1.75 °C above pre-industrial level and during the entire year of 2023 is expected to be 1.4 °C above it. [5]

  3. Geologic temperature record - Wikipedia

    en.wikipedia.org/wiki/Geologic_temperature_record

    The geologic temperature record are changes in Earth's environment as determined from geologic evidence on multi-million to billion (10 9) year time scales. The study of past temperatures provides an important paleoenvironmental insight because it is a component of the climate and oceanography of the time.

  4. Hockey stick graph (global temperature) - Wikipedia

    en.wikipedia.org/wiki/Hockey_stick_graph_(global...

    This iconic graph adapted from MBH99 was featured prominently in the WG1 Summary for Policymakers under a graph of the instrumental temperature record for the past 140 years. The text stated that it was "likely that, in the Northern Hemisphere, the 1990s was the warmest decade and 1998 the warmest year" in the past 1,000 years. [ 68 ]

  5. File:1951+ Percent of global area at temperature records ...

    en.wikipedia.org/wiki/File:1951+_Percent_of...

    English: Charts comparing percentages of Earth's surface reaching record temperatures since 1951, comparing records for January, April, July and October, from NOAA data. Source of data for series of charts titled "mm Month - Percent of global area at temperature records - Global warming - NOAA.svg":

  6. File:20200324 Global average temperature - NASA-GISS HadCrut ...

    en.wikipedia.org/wiki/File:20200324_Global...

    Line charts — Accepts up to six datasets. (updated 30 August 2023) Vertical bar charts (column charts) — Accepts up to six datasets. Toggle between clustered and stacked charts; user can adjust "Yfloor"—the Y level (usually=0) from which columns rise or fall; user chooses to keep or ignore negative input values. (updated 27 August 2023)

  7. File:800,000-, 2,000-, 139-year global average temperature.png

    en.wikipedia.org/wiki/File:800,000-,_2,000-,_139...

    Top chart: Earth's climate has cycled between ice ages and warm interglacial periods, with each cycle taking tens of thousands of years or more. Middle chart: Global average temperature was in a cooling trend for thousands of years before fossil fuel based industrialization. Since then, it has increased about a full 1°C—in a time period less ...

  8. File:T comp 61-90.pdf - Wikipedia

    en.wikipedia.org/wiki/File:T_comp_61-90.pdf

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  9. File:2,000- and 139-year global average temperature.png

    en.wikipedia.org/wiki/File:2,000-_and_139-year...

    English: Two charts of global average temperature over respective time periods: 2,000 years and 139 years, showing current global warming in perspective. SOURCES (and related explanations): 1. Top chart (2,000 years): Wikimedia image file File:Temperature reconstruction last two millennia.svg by User talk:Femkemilene; 2. Bottom chart (139 years):