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Each data point represents an average of simulated values generated from five integrated assessment models. [1] Shared Socioeconomic Pathways ( SSPs) are climate change scenarios of projected socioeconomic global changes up to 2100 as defined in the IPCC Sixth Assessment Report on climate change in 2021. [2] They are used to derive greenhouse ...
The Kyoto Protocol ( Japanese: 京都議定書, Hepburn: Kyōto Giteisho) was an international treaty which extended the 1992 United Nations Framework Convention on Climate Change (UNFCCC) that commits state parties to reduce greenhouse gas emissions, based on the scientific consensus that global warming is occurring and that human-made CO 2 ...
The Sixth Assessment Report ( AR6) of the United Nations (UN) Intergovernmental Panel on Climate Change (IPCC) is the sixth in a series of reports which assess the available scientific information on climate change. Three Working Groups (WGI, II, and III) covered the following topics: The Physical Science Basis (WGI); Impacts, Adaptation and ...
Climate change has led to the United States warming by 2.6 °F (1.4 °C) since 1970. [3] The climate of the United States is shifting in ways that are widespread and varied between regions. [4] [5] From 2010 to 2019, the United States experienced its hottest decade on record. [6]
In common usage, climate change describes global warming —the ongoing increase in global average temperature—and its effects on Earth's climate system. Climate change in a broader sense also includes previous long-term changes to Earth's climate.
The Second Assessment Report ( SAR) of the Intergovernmental Panel on Climate Change (IPCC), published in 1995, is an assessment of the then available scientific and socio-economic information on climate change. The report was split into four parts: a synthesis to help interpret UNFCCC article 2, The Science of Climate Change (Working Group I ...
Oregon Petition. The Global Warming Petition Project, also known as the Oregon Petition, is a group which urges the United States government to reject the Kyoto Protocol of 1997 and similar policies. Their petition challenges the scientific consensus on climate change. Though the group claims more than thirty-thousand signatories across various ...
On a scale of 1 out of 7, where higher numbers indicated greater disagreement, "global warming is already underway" had a mean rating of 3.4, and "global warming will occur in the future" had an even greater agreement of 2.6 Surveyed scientists had less confidence in the accuracy of contemporary climate models, rating their ability to make ...