Dork Sahagian is an

Armenian American Armenian Americans () are citizens or residents of the United States who have total or partial Armenian ancestry. They form the second largest community of the Armenian diaspora after Armenians in Russia. The first major wave of Armenian immig ...

climate scientist Climatology (from Greek , ''klima'', "slope"; and , ''-logia'') or climate science is the scientific study of Earth's climate, typically defined as weather conditions averaged over a period of at least 30 years. Climate concerns the atmospheric ...

. He is the Director of the Environmental Initiative at

Lehigh University Lehigh University (LU), in Bethlehem, Pennsylvania, United States, is a private university, private research university. The university was established in 1865 by businessman Asa Packer. Lehigh University's undergraduate programs have been mixed ...

Bethlehem, Pennsylvania Bethlehem is a city in Northampton County, Pennsylvania, Northampton and Lehigh County, Pennsylvania, Lehigh counties in the Lehigh Valley region of eastern Pennsylvania, United States. As of the 2020 United States census, 2020 census, Bethle ...

. He invented a technique for calculating the Earth's air pressure in the past, based on the difference in the size of the bubbles in cooled

volcanic lava Lava is molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a Natural satellite, moon onto its surface. Lava may be erupted at a volcano or through a Fissure vent, fractu ...

. He received Nobel Peace Prize in 2007 as a part of

IPCC The Intergovernmental Panel on Climate Change (IPCC) is an intergovernmental body of the United Nations. Its job is to "provide governments at all levels with scientific information that they can use to develop climate policies". The World M ...

References

American people of Armenian descent Living people Year of birth missing (living people) Place of birth missing (living people) American climatologists People from Bethlehem, Pennsylvania {{climate-change-stub