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posted by chromas on Monday October 29 2018, @05:32PM   Printer-friendly
from the if-it-walk-like-a-duck dept.

More Evidence Identifies China as The Source of Mysterious Ozone-Destroying Emissions

For years, a mystery puzzled environmental scientists. The world had banned the use of many ozone-depleting compounds in 2010. So why were global emission levels [DOI: 10.1038/s41586-018-0106-2] [DX] still so high?

The picture started to clear up in June. That's when The New York Times published an investigation into the issue. China, the paper claimed, was to blame for these mystery emissions. Now it turns out the paper was probably right to point a finger.

In a paper [open, DOI: 10.1029/2018GL079500] [DX] published recently in the journal Geophysical Research Letters, an international team of researchers confirms that eastern China is the source of at least half of the 40,000 tonnes of carbon tetrachloride emissions currently entering the atmosphere each year. They figured this out using a combination of ground-based and airborne atmospheric concentration data from near the Korean peninsula.

Previously: Someone, Somewhere, is Making a Banned Chemical that Destroys the Ozone Layer
Illegal Chinese Refrigerator Factories Are Selling Banned CFCs


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  • (Score: 0) by Anonymous Coward on Monday October 29 2018, @11:34PM (3 children)

    by Anonymous Coward on Monday October 29 2018, @11:34PM (#755422)

    But you're not doing a good job! USA is #2 largest greenhouse gas emitter of the 200 or so countries... And if you look at the emissions per capita USA is doing MUCH worse than e.g. China. Stats for example here. [wikipedia.org]

    China also produces twice the amount and share of total renewable electricity than USA. Stats for example here. [wikipedia.org]

    I mean it's good to be proud of your own achievements but at the same time you must not be blind to the same of others...

  • (Score: 0) by Anonymous Coward on Tuesday October 30 2018, @12:29PM

    by Anonymous Coward on Tuesday October 30 2018, @12:29PM (#755606)

    Greenhouse gas?
    Do you mean the most important greenhouse gas, water? Because I think you'll find that the Amazon river is the largest emission of water by a single country. Of course, that is not in vapor form and even if it was it would be dwarfed by the water vapor coming off the oceans.

  • (Score: 1) by khallow on Tuesday October 30 2018, @01:21PM (1 child)

    by khallow (3766) Subscriber Badge on Tuesday October 30 2018, @01:21PM (#755618) Journal

    But you're not doing a good job! USA is #2 largest greenhouse gas emitter of the 200 or so countries...

    What's bad about that job? The US doesn't emit a relatively high per capita greenhouse gases because it hates Mother Earth, but because it is doing valuable activities which happen to emit greenhouse gases in the course of the activity.

    I find it remarkable how would-be environmentalists can ignore the vast improvement in US pollution over the past half century and obsess over greenhouse gases. But then again, what would they do if these problems were actually considered fixed? Find a real problem?

    • (Score: 0) by Anonymous Coward on Tuesday October 30 2018, @03:59PM

      by Anonymous Coward on Tuesday October 30 2018, @03:59PM (#755685)

      Well with Trump and Pruitt removing all the hard won protections id say there is good reason to worry.