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Lithorex t1_iwftmb7 wrote

Reply to comment by n3w4cc01_1nt in The Weird-Looking, Fuel-Efficient Planes You Could Be Flying in One Day by rchaudhary

There are few climate gasses worse than water at aircraft cruising altitudes.

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einmaldrin_alleshin t1_iwg0zcu wrote

Water makes up half the exhaust of conventional aircraft engines as well. Besides, unlike CO2, water precipitates.

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Harabeck t1_iwhsqj9 wrote

Water vapor doesn't hang around for decades the way CO2 does.

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