DENVER — Earth’s protective ozone layer is slowly but noticeably healing at a pace that would fully mend the hole over Antarctica in about 43 years, a new United Nations report says. A once-every-four-years scientific assessment found recovery in progress, more than 35 years after every nation in the world agreed to...
South Pole's Ozone Hole Shrinks to Smallest Since Discovery
WASHINGTON — The ozone hole near the south pole this year is the smallest since it was discovered, but it is more due to freakish Antarctic weather than efforts to cut down on pollution, NASA reported. This fall, the average hole in Earth's protective ozone layer is 3.6 million square miles....