Author: Zach

{ Ozone Contents } { All GSS Books } This activity was fashioned after that described at http://www.caosclub.org/freelessons/hbody3.html How can a gas at such low concentrations create problems for living things? Try an experiment that will allow you to measure how many molecules you inhale with each breath. The volume of air you breathe is called […]

Staying current for Chapter 11 { Ozone Contents } 2021-05-03. E.P.A. to Sharply Limit Powerful Greenhouse Gases. By Lisa Friedman, The New York Times. Excerpt: WASHINGTON — The Environmental Protection Agency moved on Monday to sharply reduce the use and production of powerful greenhouse gases central to refrigeration and air-conditioning, part of the Biden administration’s larger strategy […]

Staying current for Chapter 10 { Ozone Contents } 2024-06-17. What Happens in the Troposphere Doesn’t Stay in the Troposphere. By Rebecca Owen, Eos/AGU. Excerpt: In the final decades of the 20th century, stratospheric ozone depletion—often called, not quite accurately, the ozone hole—was a widespread concern. Halocarbons, including chlorofluorocarbons used as coolants in refrigerators and aerosol […]

Staying current for Chapter 9 { Ozone Contents } 2024-01-09. The New Space Race Is Causing New Pollution Problems. [https://www.nytimes.com/2024/01/09/science/rocket-pollution-spacex-satellites.html] By Shannon Hall, The New York Times. Excerpt: In the past few years, the number of rocket launches has spiked as commercial companies — especially SpaceX…and government agencies have lofted thousands of satellites into low-Earth […]

Staying current for Chapter 8 { Ozone Contents } El Niño/Southern Oscillation (ENSO) Diagnostic Discussion 2020-05-19. Tracking Tropospheric Ozone Since 1979. By David Shultz, Eos/AGU. Excerpt: … The planet’s protective ozone layer, which exists mainly in the stratosphere at altitudes between 15 and 35 kilometers, absorbs ultraviolet radiation from the Sun, shielding the surface from hazardous […]

Staying current for Chapter 7 { Ozone Contents } Analyzing the Antarctic Ozone Hole. Earth Exploration Toolbook activity. Use satellite images and ImageJ software to show how much ozone is in the atmosphere over the Southern Hemisphere, identify the ozone “hole” that develops over this region every spring, and with spreadsheet, graph its size from year […]

Staying current for Chapter 6 { Ozone Contents } 2019-01-22. Podcast: Uncovering the Ozone Hole. By Nanci Bompey, Eos/AGU.  2012-Dec.  The Ozone Problem is Back – And Worse Than Ever | Sharon Begley, Smithsonian Magazine.  Excerpt:  Jim Anderson of Harvard University … Since 2001, …had been studying powerful thunderstorms by packing instruments into repurposed spy planes and B-57 […]

Staying current for Chapter 5 { Ozone Contents } Earth Portal section on Antarctic ozone hole  2012 March 12.  F. Sherwood Rowland, Cited Aerosols’s Danger, Is Dead at 84 | By Felicity Barringer, The NY Times. Excerpt: F. Sherwood Rowland, whose discovery in 1974 of the danger that aerosols posed to the ozone layer was initially met with disdain […]

Staying current for Chapter 4 { Ozone Contents } 2023-03-15. The Brilliant Inventor Who Made Two of History’s Biggest Mistakes. [https://www.nytimes.com/2023/03/15/magazine/cfcs-inventor.html] By Steven Johnson, The New York Times. Excerpt: While The Times praised him as “one of the nation’s outstanding chemists” in its obituary, today [Thomas Midgley Jr.] is best known for the terrible consequences of […]

Staying current for Chapter 3 See non-chronological resources for this chapter. { Ozone Contents } 2023-07-15. Why Sunscreen Is the Only Anti-Aging Product You Need. [https://www.nytimes.com/2023/07/15/well/live/sunscreen-aging-skin-care.html] By Dana G. Smith, The New York Times. Excerpt: …Dr. Frey said that as much as 80 percent of the skin changes we associate with age are actually caused by the […]