Habibullo Ismailovich Abdussamatov (Russian: Хабибулло Исмаилович Абдусаматов; occasionally spelled, Abdusamatov; with initials transliterated either H.I.
Abdussamatov presented papers at the fourth and ninth International Conference on Climate Change,[5] events sponsored by the Heartland Institute and, according to the organiser, bringing together "think tank cosponsors and [...] scientists who dispute the claim that the science is settled".
[6] Abdussamatov claims 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.
"[citation needed] This view contradicts the scientific consensus on climate change.
[7][8][9] He has asserted that "parallel global warmings—observed simultaneously on Mars and on Earth—can only be a straightline consequence of the effect of the one same factor: a long-time change in solar irradiance.