eastern Asia

Since 2002, scientific data pointed to a slower decline of CFC-11, one of several chemical substances banned by the Montreal Protocol in 1987. The amount of CFC-11 found in the atmosphere has actually gone up during that time, prompting the United Nations

Scientists detected a spike in ozone-depleting chemicals. They'll use the Montreal Protocol to stop the pollution.

Environment

Those who have watched over the Montreal Protocol since its formation have never had to take significant measures to enforce it — until now.

Scientists detected a spike in ozone-depleting chemicals. They'll use the Montreal Protocol to stop the pollution.

Young New Yorkers form club for adventurous eaters

Young New Yorkers form club for adventurous eaters

The Bittersweet Challenge

The Bittersweet Challenge