ozone layer

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.

Researchers say that the rising number of space launches around the world will warm parts of the atmosphere and thin the ozone layer.

Environment Minister Catherine McKenna and former prime minister Brian Mulroney will be in Montreal today, Nov. 20, 2017, to mark the 30th anniversary of a landmark treaty to protect the earth's ozone layer.

It's time to see with new eyes, David Suzuki writes.

He became a poster boy of government muzzling in the Harper era. Two years later, the advice he sent management is still being considered by the Liberal government of Prime Minister Justin Trudeau.

The Liberal government says it can still carry out "robust" atmospheric ozone monitoring, even after its members criticized the Harper government for closing two stations.

UN Secretary-General Antonio Guterres made an impassioned appeal on May 30, 2017 for the world to intensify action to combat climate change and implement the Paris Agreement to limit carbon emissions.