Ozone pollution causes $63 billion damage per year to East Asian crops

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High in the atmosphere ozone is beneficial, but nearer the ground it is a pollutant that can cause significant damage to fields of wheat and maize

Emissions from vehicles in places like Beijing, China, are contributing to a rise in ozone pollution in East AsiaIncreasing concentrations of ground-level ozone in East Asia are causing ever more damage to crops. The relative fall in yields of wheat, rice and maize in China, Japan and South Korea is costing $63 billion a year, according toat the Nanjing University of Information Science and Technology in China and his colleagues.

Surface ozone concentrations in China have been rising by around 5 per cent a year, says Feng. “Such a fast increase of surface ozone has increased the ozone threat to crop yields,” he says.as it blocks dangerous ultraviolet light, but ground-level ozone harms plants and animals. Surface ozone forms when nitrogen oxides react with volatile organic compounds in the presence of sunlight.

 

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In the high atmosphere it is a by product of UV colliding with O2

… not to mention lung function …

We always mess with the balance of earth without fully understanding it.

And lungs

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A New York Times article from Feb. 2021 says the emissions are declining after China took action.

How bout that.

And damages lungs

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