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The report was delivered at the United Nations' 48th session of the IPCC to "deliver the authoritative, scientific guide for governments" to deal with climate change. [1] Its key finding is that meeting a 1.5 °C (2.7 °F) target is possible but would require "deep emissions reductions" [ 1 ] and "rapid, far-reaching and unprecedented changes ...
The 2008 United Nations Climate Change Conference took place at PIF Congress Centre, Poznań International Fair (PIF), in Poznań, Poland, between December 1 and December 12, 2008. [1] Representatives from over 180 countries attended along with observers from intergovernmental and nongovernmental organizations.
The IPCC supplementary report of 1992 was published to contribute to the debate on the United Nations Framework Convention on Climate Change at the 1992 Earth Summit, held in Rio de Janeiro. [ 1 ] The report updated and revised some of the data contained in the IPCC First Assessment Report , and included six new climate change scenarios ...
Some climate change effects: wildfire caused by heat and dryness, bleached coral caused by ocean acidification and heating, environmental migration caused by desertification, and coastal flooding caused by storms and sea level rise. Effects of climate change are well documented and growing for Earth's natural environment and human societies. Changes to the climate system include an overall ...
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 ...
RCP 2.6 is a "very stringent" pathway. [6] According to the IPCC, RCP 2.6 requires that carbon dioxide (CO 2) emissions start declining by 2020 and go to zero by 2100.It also requires that methane emissions (CH 4) go to approximately half the CH 4 levels of 2020, and that sulphur dioxide (SO2) emissions decline to approximately 10% of those of 1980–1990.
The United Nations Framework Convention on Climate Change (UNFCCC) is the UN process for negotiating an agreement to limit dangerous climate change. It is an international treaty among countries to combat "dangerous human interference with the climate system ".
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.
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