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Articles on Montreal protocol

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Suspected infestation of Macrophomina phaseolina, a “novel” soil pathogen, in the non-fumigated buffer zone of a strawberry field. Julie Guthman

Healthy to eat, unhealthy to grow: Strawberries embody the contradictions of California agriculture

California produces 90 percent of the US strawberry crop, but growers face curbs on toxic chemicals that have helped their industry expand. Can a system centered on mass production become more sustainable?
Clouds over Australia’s Davis Research Station, containing ice particles that activate ozone-depleting chemicals, triggering the annual ozone hole. Barry Becker/BOM/AAD

After 30 years of the Montreal Protocol, the ozone layer is gradually healing

The treaty to limit the destruction of the ozone layer is hailed as the most successful environmental agreement of all time. Three decades on, the ozone layer is slowly but surely returning to health.
Conventional wisdom says Barack Obama will hit political obstacles on the way to fulfilling his climate ambitions. But they might be easier to sidestep than you think, EPA/Michael Reynolds/AAP

Forget the hostile Congress – Obama can cut global climate deals on his own terms

Much has been made of the domestic political roadblocks between US President Barack Obama and climate action. But by using existing treaties he can get around the hostile Congress and help cut global emissions.
Antarctica has actually been protected from sea ice melt by the ozone hole. Vassil Tzvetanov

The ozone hole leaves a lasting impression on southern climate

Many people think of sunburn and skin cancer when they hear about the ozone hole. But more ultraviolet (UV) radiation isn’t the only problem. The ozone hole has also led to dramatic changes in Southern…
In 2012 and 2013 parts of New Zealand suffered the worst drought in 70 years. Dave Young/Flickr

New Zealand is drying out, and here’s why

Over 2012 and 2013, parts of New Zealand experienced their worst drought in nearly 70 years. Drought is the costliest climate extreme in New Zealand; the 2012-2013 event depressed the country’s GDP by…
By collecting air at pristine Cape Grim since 1978, scientists have been able to track the concentration of ozone depleting substances. AAP/Bureau of Meteorology

What are ozone depleting substances?

SAVING THE OZONE: Part four in our series exploring the Montreal Protocol on Substances that Deplete the Ozone Layer – dubbed “the world’s most successful environmental agreement” – looks at the substances…
For more than three decades Antarctica has experienced the most severe depletion of stratospheric ozone. NASA Goddard Photo and Video

Explainer: what is the Antarctic ozone hole and how is it made?

SAVING THE OZONE: Part two in our series exploring on the Montreal Protocol on Substances that Deplete the Ozone Layer – dubbed “the world’s most successful environmental agreement”. Yesterday’s article…

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