Climate-friendly cooling to help ease global warming

A new IIASA-led study shows that coordinated international action on energy-efficient, climate-friendly cooling could avoid as much as 600 billion tons CO2 equivalent of greenhouse gas emissions in this century.

Experts reveal major holes in international ozone treaty

A new paper, co-authored by a University of Sussex scientist, has revealed major holes in an international treaty designed to help repair the ozone layer, putting human health at risk and increasing the speed of climate change.

Wayward whale takes city break in Montreal

A young humpback whale that swam up one of Canada's major rivers and has been exploring the waters off Montreal for a few days was likely led astray while on a hunting trip, authorities have said.

NASA data aids ozone hole's journey to recovery

On Sept. 16, 1987, policymakers and scientists from around the world gathered at the International Civil Aviation Organization's headquarters in Montreal, preparing to take action on the day's most urgent topic: Depletion ...

How saving the ozone layer in 1987 slowed global warming

The Montreal Protocol, an international agreement signed in 1987 to stop chlorofluorocarbons (CFCs) destroying the ozone layer, now appears to be the first international treaty to successfully slow the rate of global warming.

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