'The space age has unintentionally marked its presence on one of the most untouched realms of the Earth – the stratosphere – with tons of toxic metals. Recent findings suggest that the frequent voyages of spacecraft and satellites are significantly
impacting this pristine layer of the atmosphere, with potential consequences for the climate and the ozone layer.
The study was led by Dan Murphy, an adjunct professor at Purdue University and a researcher with the National Oceanic and Atmospheric Administration.'
The inexhaustible Earth dweebs at it again...
https://www.earth.com/news/space-travel-has-left-a-metal-mark-on-earths-stratosphere/
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