WebOzone can be destroyed by a number of free radical catalysts; the most important are the hydroxyl radical (OH·), nitric oxide radical (NO·), ... CFCs and related compounds in the atmosphere. Chlorofluorocarbons (CFCs) … WebIn the early 1980s, scientists began to realize that CFCs were creating a thin spot—a hole—in the ozone layer over Antarctica every spring. This series of satellite images shows the ozone hole on the day of its maximum depth each year from 1979 through 2024. In the early 1980s, scientists began to realize that CFCs were creating a thin spot ...

NASA - Discovering the Ozone Hole: Q&A With Pawan Bhartia

WebJun 26, 2024 · The world recently learned that chlorofluorocarbons (CFCs), an ozone-damaging industrial gas banned under the 1997 Montreal Protocol, have made an … WebMay 18, 2024 · Because CFCs are such potent greenhouse gases and destroy the ozone layer, this work has important implications for the health of our planet.” ... For CFC-113, the chemical’s use is permitted under the … toro people\u0027s organization

The cool way to destroy CFCs New Scientist

WebBy the time Nimbus-7 was launched in October 1978, the ozone layer was getting to be a hot topic. Two scientists in California had discovered a new mechanism by which CFCs, the gas used in everything from spray cans to air conditioners, can destroy ozone. It was a very common, non-toxic gas that isn't readily destroyed by nature like most ... WebThe ozone hole is an area in the stratosphere above Antarctica where chlorine and bromine gases from human-produced chlorofluorocarbons (CFCs) and halons have destroyed ozone molecules. Global warming is the rise in average global surface temperature caused primarily by the build-up of human-produced greenhouses gases, mostly carbon dioxide … WebAug 7, 1989 · Among the chemicals they measured were CFCs. CFC levels inside the termite caverns, separated by 10 inches of soil from the air outside, were significantly … toro mini skid steer price