The Week in Technology, Feb. 27-March 3, 2023

aircraft contrails

ARPA-E’s Pre-Trails project plans to develop a system to predict the formation of climate-influencing contrail cirrus clouds.

Credit: DLR
ARPA-E Wants To Predict Contrails As the aviation industry rises to the challenge of reducing CO 2 emissions from aircraft, debate continues whether condensation trails caused by water vapor in engine exhaust are at least as great a contributor to the climate impact of aviation. Recognizing the...

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