2133 () posted 70 days ago by WVNATIVE1942Johnny 70 days ago by WVNATIVE1942Johnny +2137 / -4 57 comments share 57 comments share save hide report block hide child comments Comments (57) sorted by: top new old worst You're viewing a single comment thread. View all comments, or full comment thread. ▲ 1 ▼ – kwqt 1 point 69 days ago +2 / -1 Same for the ozon layer. HCFCs were banned in a worldwide international effort and they got it done quickly and effectively. permalink save report block reply
Same for the ozon layer. HCFCs were banned in a worldwide international effort and they got it done quickly and effectively.