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Climate Change 2007, the Fourth Assessment Report (AR4) of the United Nations Intergovernmental Panel on Climate Change (IPCC), was published in 2007 and is the fourth in a series of reports intended to assess scientific, technical and socio-economic information concerning climate change, its potential effects, and options for adaptation and mitigation. [2]
Köppen climate types in Arizona show a preponderance of arid and desert environments. Climate change in Arizona encompasses the effects of climate change, attributed to man-made increases in atmospheric carbon dioxide, in the U.S. state of Arizona. It has been asserted that Arizona "will suffer more than most of U.S." due to climate change. [1]
[9] [2] This means that for a given amount of carbon emissions, a related amount of global warming can reasonably be expected. [ 6 ] [ 14 ] The IPCC Sixth Assessment Report , which is the most thorough estimate as of 2021, [ 3 ] suggests a likely TCRE of 1.4 °C–2.2 °C per Tt C (or 1000 Pg C), a narrowing of the 0.8° to 2.5 °C per Tt C ...
The Lancet report also found that between 2018 and 2022 people on average were exposed to 86 days of health-threatening high temperatures. Experts say a change in weather also accelerates the ...
Special Report on Global Warming of 1.5 °C (SR15) in October 2018 2019 Refinement to the 2006 IPCC Guidelines for National Greenhouse Gas Inventories in May 2019; Special Report on Climate Change and Land (SRCCL) in August 2019; Special Report on the Ocean and Cryosphere in a Changing Climate (SROCC) in September 2019
The Climate Clock was launched in 2015 to provide a measuring stick against which viewers can track climate change mitigation progress. The date shown when humanity reaches 1.5°C will move closer as emissions rise, and further away as emissions decrease. An alternative view projects the time remaining to 2.0°C of warming. [1] [2] The clock is ...
World leaders are meeting in Paris this month in what amounts to a last-ditch effort to avert the worst ravages of climate change. Climatologists now say that the best case scenario — assuming immediate and dramatic emissions curbs — is that planetary surface temperatures will increase by at least 2 degrees Celsius in the coming decades.
The Global Historical Climatology Network (GHCN) is a data set of temperature, precipitation and pressure records managed by the National Climatic Data Center (NCDC), Arizona State University and the Carbon Dioxide Information Analysis Center. The aggregate data are collected from many continuously reporting fixed stations at the Earth's ...