Asked by Tesla
What negative impact did chemistry have on society through the production and use of chlorofluorocarbons (CFCs)?
Hazardous coolants in refrigeration units were replaced.
Better refrigeration reduced loss of food through spoilage.
Lower levels of ozone allowed more ultraviolet radiation to reach Earth.
Fire safety improved through the use of fire extinguishers.
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Lower levels of ozone allowed more ultraviolet radiation to reach Earth.
CFCs release chlorine atoms in the stratosphere that catalytically destroy ozone, thinning the ozone layer (e.g., the Antarctic ozone hole). That increases UV‑B reaching the surface, raising risks of skin cancer, cataracts, and ecological harm.
CFCs release chlorine atoms in the stratosphere that catalytically destroy ozone, thinning the ozone layer (e.g., the Antarctic ozone hole). That increases UV‑B reaching the surface, raising risks of skin cancer, cataracts, and ecological harm.
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