Aura, Climate, Ozone and Resource

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NASA-led study identifies unprecedented depletion of stratospheric ozone layer above Arctic

Green Car Congress

OCTOBER 2, 2011

A NASA-led study has documented an unprecedented depletion of Earth’s protective ozone layer above the Arctic last winter and spring caused by an unusually prolonged period of extremely low temperatures in the stratosphere. The same ozone-loss processes occur each winter in the Arctic.

Ozone

Ozone 2011 Aura Davis

UMD-led study finds China’s SO2 emissions down 75% since 2007, India’s up 50%; India may now be the top SO2 emitter

Green Car Congress

NOVEMBER 13, 2017

Two maps compare total annual sulfur dioxide amounts for India and China during 2005 (left) and 2016 based on Ozone Monitoring Instrument measurements. Illustration: Chris McLinden, Environment and Climate Change Canada. This work was supported by the NASA Earth Science Division Aura Science Team (Award No. Click to enlarge.

India

India 2007 Emissions Aura

EV Driven

NASA-led study identifies unprecedented depletion of stratospheric ozone layer above Arctic

UMD-led study finds China’s SO2 emissions down 75% since 2007, India’s up 50%; India may now be the top SO2 emitter

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