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A review of the research literature concerning the environmental consequences of increased levels of atmospheric carbon dioxide leads to the conclusion that increases during the 20th and early 21st centuries have produced no deleterious effects upon Earth’s weather and climate. Increased carbon dioxide has, however, markedly increased plant growth. Predictions of harmful climatic effects due to future increases in hydrocarbon use and minor greenhouse gases like CO2 do not conform to current experimental knowledge. The environmental effects of rapid expansion of the nuclear and hydrocarbon energy industries are discussed. |
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ABSTRACT: We examine tropospheric temperature trends of 67 runs from 22 ‘Climate of the 20th Century’ model simulations and try to reconcile them with the best available updated observations (in the tropics during the satellite era). Model results and observed temperature trends are in disagreement in most of the tropical troposphere, being separated by more than twice the uncertainty of the model mean. In layers near 5 km, the modelled trend is 100 to 300% higher than observed, and, above 8 km, modelled and observed trends have opposite signs. These conclusions contrast strongly with those of recent publications based on essentially the same data. |
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Carbon Dioxide and Global Change: Separating Scientific Fact from Personal Opinion |
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An Inconvenient Truth (AIT), Vice President Al Gore’s book on
“The planetary emergency of global warming and what can be done about it,”
purports to be a non-partisan, non-ideological exposition of climate science
and moral common-sense.
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An Inconvenient Truth puts Al Gore at the vanguard of a
growing worldwide movement that claims there is a planetary emergency from global
warming.
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