Carl Sagan, Al Gore in 1985 +2m SLR +5°C by 2100 Manabe, MacDonald, Cicerone, Abrahamson

Carl Sagan, Al Gore in 1985 +2m SLR +5°C by 2100 Manabe, MacDonald, Cicerone, Abrahamson December 10, 1985 – A group of senators and scientists today called for national and international action to avert a predicted warming of the earth’s climate resulting from a buildup of carbon dioxide and other man-made gases in the atmosphere.…

James Hansen outlines Climate Research in 2005

Climate change and national security panel discussion from the World Affairs Council on May 3, 2005. Then NASA chief James Hansen outlined the state of global climate change research. In late 2005, however, Dr. Hansen’s ability to voice his concerns about global warming was severely compromised by NASA public affairs officials. After he called on…

Surprised Researchers find Ozone Loss at Populated Areas

The vital ozone layer has continued to deplete in recent years over the densely populated mid-latitudes and tropics, while it is recovering at the poles https://www.ethz.ch/en/news-and-events/eth-news/news/2018/02/decline-stratospheric-ozone.html Evidence for a continuous decline in lower stratospheric ozone offsetting ozone layer recovery https://www.atmos-chem-phys.net/18/1379/2018/ Ozone loss may have caused mass extinction https://climatenewsnetwork.net/ozone-loss-may-have-caused-mass-extinction Ozone Pollution Maps Show Spikes Amid Broad…

NASA’s 1975 Environmental Film “Pollution Below” 16:9

Pollution Below presents stories of three widely separated people who are caught up in situations caused by unexpected pollution. https://archive.org/details/pollution_below Further reading: Industries like steel mills emit particles that act as ice-forming nuclei (a particle which acts as the nucleus for the formation of an ice crystal) into the atmosphere. These may encourage snowstorms. The…

Dust Bowl Film Rain for the Earth (1937) 16:9

The Dust Bowl, also known as the Dirty Thirties, was a period of severe dust storms that greatly damaged the ecology and agriculture of the American and Canadian prairies during the 1930s. https://en.wikipedia.org/wiki/Dust_Bowl Social and economic wastes resulting from continued drought in the midwestern dust bowl and efforts of the federal government in attempting to…

An introduction to Permafrost

A brief introduction to permafrost, including newer findings. Credits ====== National Park Service Mariama Dryak Zachary Richter SWIPA 2017 Vladimir Romanovsky Sources ====== Climate Change in the Arctic https://www.nps.gov/media/video/view.htm?id=C352BB55-1DD8-B71C-079DCE23BBA86D5E Permafrost https://www.nps.gov/media/video/view.htm?id=C352BB55-1DD8-B71C-079DCE23BBA86D5E Teaser image International Permafrost Association https://ipa.arcticportal.org/publications/occasional-publications/what-is-permafrost

The Future of Energy (1993)

This historic film outlined 25 years ago an assessment of emerging energy resources, and also mentions briefly solar and wind power. This film discusses energy development in light of global warming. This work is licensed under a Creative Commons Attribution 2.5 License. Production: United States Geological Survey Digitization Date: 1996; Digitizing Organization: Carnegie Mellon University…

An introduction to Methane Hydrates

This lecture was held in 2008 by Scripps Institution of Oceanography geochemist Miriam Kastner. This version has been slightly edited. Release via https://www.youtube.com/watch?v=mSTm6cZjO14 Further reading ============= Methane clathrate https://en.wikipedia.org/wiki/Methane_clathrate Paleocene–Eocene Thermal Maximum – Ocean https://en.wikipedia.org/wiki/Paleocene–Eocene_Thermal_Maximum#Ocean Teaser image credit: Yannis Papanastasopoulos on Unsplash Music by WOWSound, “Tree of Life”.

Earthwatch a historic disaster documentary

Extreme weather events and other disasters, and what to do were discussed in the late 50s and 70s, including the consideration of climate change (1958), or more broadly pollution (1972). This short presents a compilation of historic disaster documentary style film footage. Climate Change 1958: The Bell Telephone Science Hour https://www.youtube.com/watch?v=m-AXBbuDxRY Your Chance to Live:…

Permafrost may release largest Mercury source on Earth

There are 32 million gallons worth of mercury, or the equivalent of 50 Olympic swimming pools, trapped in the permafrost. For context, that’s “twice as much mercury as the rest of all soils, the atmosphere, and oceans combined. And it could be released. https://www.washingtonpost.com/news/energy-environment/wp/2018/02/05/the-arctic-is-full-of-toxic-mercury-and-climate-change-is-going-to-release-it Ambarchik: Research on permafrost at the Siberian arctic coast https://www.youtube.com/watch?v=ZhGcJnRgzy4 Permafrost…