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  2. Scientific consensus on climate change - Wikipedia

    en.wikipedia.org/wiki/Scientific_consensus_on...

    In 2004, the geologist and historian of science Naomi Oreskes analyzed the abstracts of 928 scientific papers on "global climate change" published between 1993 and 2003. 75% had either explicitly expressed support for the scientific consensus on anthropogenic climate change, or had accepted it as a given and were focused on evaluating its ...

  3. IPCC Third Assessment Report - Wikipedia

    en.wikipedia.org/wiki/IPCC_Third_Assessment_Report

    The key conclusions of Working Group I [11] were: . An increasing body of observations gives a collective picture of a warming world and other changes in the climate system (The global average surface temperature has increased over the 20th century by about 0.6 °C; Temperatures have risen during the past four decades in the lowest 8 kilometres of the atmosphere; Snow cover and ice extent have ...

  4. List of statements by major scientific organizations about ...

    en.wikipedia.org/wiki/List_of_statements_by...

    The Geological Society of America (GSA) concurs with assessments by the National Academies of Science (2005), the National Research Council (2006), and the Intergovernmental Panel on Climate Change (IPCC, 2007) that global climate has warmed and that human activities (mainly greenhouse‐gas emissions) account for most of the warming since the ...

  5. IPCC Sixth Assessment Report - Wikipedia

    en.wikipedia.org/wiki/IPCC_Sixth_Assessment_Report

    The second part of the report, a contribution of working group II (WGII), was published on 28 February 2022. Entitled Climate Change 2022: Impacts, Adaptation & Vulnerability, the full report is 3675 pages, plus a 37-page summary for policymakers. [29] It contains information on the impacts of climate change on nature and human activity. [30]

  6. List of large-scale temperature reconstructions of the last ...

    en.wikipedia.org/wiki/List_of_large-scale...

    IPCC TAR SYR (2001), Watson, R. T.; the Core Writing Team (eds.), Climate Change 2001: Synthesis Report, Contribution of Working Groups I, II, and III to the Third Assessment Report of the Intergovernmental Panel on Climate Change, Cambridge University Press, ISBN 0-521-80770-0, archived from the original on 2018-11-03 (pb: 0-521-01507-3)

  7. IPCC Fifth Assessment Report - Wikipedia

    en.wikipedia.org/wiki/IPCC_Fifth_Assessment_Report

    The overall risks of climate change impacts can be reduced by limiting the rate and magnitude of climate change" [14] Working Group III: Without new policies to mitigate climate change, projections suggest an increase in global mean temperature in 2100 of 3.7 to 4.8 °C, relative to pre-industrial levels (median values; the range is 2.5 to 7.8 ...

  8. 2020 in climate change - Wikipedia

    en.wikipedia.org/wiki/2020_in_climate_change

    22 July publication: A review conducted under the World Climate Research Programme (WCRP) projected climate sensitivity—the range of global warming to be expected from a doubling of CO 2 concentration—to be 2.6—3.9 °C (4.7—7.0 °F), narrower than longstanding (1979+) estimates of about 1.5—4.5 °C (2.7—8.1 °F).

  9. IPCC First Assessment Report - Wikipedia

    en.wikipedia.org/wiki/IPCC_First_Assessment_Report

    The size of this warming is broadly consistent with predictions of climate models, but it is also of the same magnitude as natural climate variability. Thus the observed increase could be largely due to this natural variability; alternatively this variability and other human factors could have offset a still larger human-induced greenhouse warming.