Germany fears ex-pilots share secrets with China
Retired German air force pilots have taken their skills to China. The defense minister wants to stop the practice. Via Deutsche Welle: DW.com - Germany https://ift.tt/1GZPks5
Why we should care about airplane contrails and their impact on the climate
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Condensation trails or contrails — the white, feathery lines behind
airplanes — could have as big an impact on the climate as the aviation
sector's CO2 emi...
21 hours ago
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