On the way to work, I heard a report on U.S. National Public Radio that
indicated that experts were shocked because the Arctic ozone layer was
thinner than expected: the expected recovery of that layer had been slowed,
where the recovery was expected because ozone-depleting chloroflourocarbons
On the way to work, I heard a report on U.S. National Public Radio that
indicated that experts were shocked because the Arctic ozone layer was
thinner than expected: the expected recovery of that layer had been slowed,
where the recovery was expected because ozone-depleting chloroflourocarbons
