ARPA-E-funded research projects target the avoidance of persistent contrails that spread to form climate-impacting cirrus clouds.
Credit: UK Met Office
Aviation’s contribution to global CO 2 emissions from human activities is estimated to be about 2.1%. Non-CO 2 contributions such as contrails and aircraft-induced cirrus clouds are estimated to be higher, albeit with greater uncertainty. But the impacts of non-CO 2 effects such as contrail cirrus...
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