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'''Anthropogenic global warming''' (AGW) is a theory that suggests that human activity is causing the [[Earth]] to warm. The theory posits that greenhouse gases, including carbon dioxide, methane, nitrous oxide, and water vapor, trap solar warmth on the planet. Computer models suggest that industrial and vehicular emissions could lead to catastrophic warming. [[Leftist]]s use this theory as a basis to propose cuts in energy production and consumption and to promote de-industrialization.
AGW theory predicts that the lower troposphere should be warming at a rate of 3.1 degrees per century, according to an average of 102 climate models used by the Intergovernmental Panel on Climate Change (IPCC).<ref name="SpencerCSP2">"[https://www.newcriterion.com//cm/images/THE%20CLIMATE%20SURPRISE%20PAMPHLET.pdf The Climate Surprise Pamphlet]", ''The New Criterion'', 2016. Taken from chart "All 3 Global Temperature Dataset Types Disagree with the Climate Model During the Period of Greatest Greenhouse Concentration."</ref> Satellite data shows that the lower troposphere warmed at a rate of 1.3 degrees per century between 1978 to 2018.<ref name="SpencerCSP">"[https://www.newcriterion.com//cm/images/THE%20CLIMATE%20SURPRISE%20PAMPHLET.pdf The Climate Surprise Pamphlet]", ''The New Criterion'', 2016.</ref><ref name=SpencerUAH>Spencer, Roy, "[https://www.nsstc.uah.edu/climate/2018/december2018/GTR_201812Dec_1.pdf Global Temperature Report: December 2018]", 2019. This is date data from the University of Alabama in Huntsville.</ref>
The convention of using a start point in the late 1970s hides the cooling that occurred in the 1950s and 1960s. Weather balloon data shows no significant warming since 1958.<ref>"[https://stevengoddard.wordpress.com/2016/03/07/noaa-radiosonde-data-shows-no-warming-for-58-years/ NOAA Radiosonde Data Shows No Warming For 58 Years]," March 7, 2016.</ref> An analysis of weather station data by U.S. climate researcher Roy Spencer shows no significant warming since 1943. Unlike the official weather station record, Spencer's data includes only those stations that recorded temperature at a consistent time of day.<ref name="Spencer" />
