it can be stuff over the last 20 years
2007-11-29 05:46:06 · 5 answers · asked by kevin f 3 in Science & Mathematics ➔ Other - Science
Ellimination of CFC's in spray containers...
Cleaner coal burning operations....
promotion of atomic energy...
2007-11-29 05:48:58 · answer #1 · answered by w_woody 3 · 0⤊ 0⤋
simple, tell all your friends to reduce their holiday or travel plans by one day and keep your fridges and AC machines off at least one hour per day. In this way we can slow down the depletion of our ozone. Spread this message to every one as you can. Utilize this yahoo service. best of luck.
2007-11-29 13:54:22 · answer #2 · answered by bajju 1 · 0⤊ 0⤋
Removal of CFC's from aerosols. The removal of CFC's from packaging - MacDonalds used this packaging a lot to put big macs in etc. The Removal of cfc'c from fridges and freezers and the safe disposal of these chemicals from old fridges.
2007-11-29 14:53:29 · answer #3 · answered by Anonymous · 0⤊ 0⤋
The car manufacturers raised the MPG requirements from 18MPG to 18.001MPG. That's all they did!
2007-11-29 13:52:56 · answer #4 · answered by Neil 7 · 0⤊ 0⤋
aerosol hairsprays and other aerosol items were lessened
2007-11-29 13:49:19 · answer #5 · answered by Lauren 5 · 0⤊ 0⤋