Khabibullo Ismailovich Abdusamatov

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Khabibullo Ismailovich Abdusamatov (Abdussamatov) (Russian: Хабибулло Исмаилович Абдусаматов; with initials transliterated either H.I. or K.I.) is a mathematician and physicist at the laboratory of solar physics [1] at the Saint Petersburg-based Pulkovo Observatory (link, photo) of the Russian Academy of Sciences and the supervisor of the Astrometria project of the Russian section of the International Space Station.

Abdusamatov contends that "Global warming results not from the emission of greenhouse gases into the atmosphere, but from an unusually high level of solar radiation and a lengthy - almost throughout the last century - growth in its intensity." (Russian News & Information Agency, Jan. 15, 2007 link). This view contradicts the prevailing scientific opinion on climate change.

Abdusamatov has made statements that contradict basic principles of atmospheric physics that are widely accepted by other scientists, including those who are skeptical of global warming. He not only disputes the role of increased greenhouse gases in recent global warming but contends that even the natural greenhouse effect does not exist, stating "Ascribing 'greenhouse' effect properties to the Earth's atmosphere is not scientifically substantiated."[2] He further states that "Heated greenhouse gases, which become lighter as a result of expansion, ascend to the atmosphere only to give the absorbed heat away." The latter statement contradicts measurements of the chemical composition of the atmosphere.

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