“You could actually spray sulfuric acid in the stratosphere 20 kilometers (65,600 feet) over our head”
– Geoengineer, David Keith
Climate Geoengineer David Keith was guest on the Stephen Colbert show to promote his qurious little book “A Case For Climate Engineering”.
I had previously downloaded the Kindle version of the book to discover he makes no mention of his 2010 AAAS presentation where he made the case that spraying alumina into the stratosphere was far better than using sulfur to mitigate global warming. (source)
Embarrassingly, the text was found to contain many typos to reveal the book was hastily produced and not nearly the quality one would expect to be written by a Harvard professor and published by a branch of MIT Press.
Keith told Colbert that spraying sulfuric acid over 66,000 feet in the stratosphere would save the world from experiencing the worst effects of global warming. Colbert used gallows humor to denigrate Keith’s madness.
Colbert was correct when he suggested the government could already be secretly spraying us. But the secret spraying is not in the stratosphere where Keith intended and “chemtrails” have nothing to do with climate engineering to mitigate global warming. In fact, global warming is enhanced when artificial clouds are produced by jet aircraft emissions according to IPCC scientist, Joyce Penner. (source)
Dr. Penner’s statement echos the “IPCC SPECIAL REPORT ON AVIATION AND THE GLOBAL ATMOSPHERE” (PDF), page 17:
“Contrails tend to warm the Earth’s surface, similar to thin high clouds”.
David Keith, 2010 AAAS Meeting, Part 1
David Keith, 2010 AAAS Meeting, Part 2
FLIP-FLOP: In 2010 Keith said alumina is better than sulfur
UN/IPCC Climate Scientist, Dr. Joyce Penner says persistent jet contrails warm the climate
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- “IPCC SPECIAL REPORT ON AVIATION AND THE GLOBAL ATMOSPHERE” (PDF)