Airplane Contrails' Climate Impact to Triple by 2050, Study Says

Transport - Inside Climate News - Key Takeaway: *..."Usually people say clouds are cooling the surface. For lower clouds that's true. They reflect sunlight. But high clouds that are optically thin are most likely to warm the atmosphere," Burkhardt said.

The prevalence of tiny ice crystals intensifies the heat-trapping effect. In the short term, the climate impact of the clouds formed by jet exhaust is greater than the warming effect of aviation's greenhouse gas emissions.*

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