Microplastic particles can produce ice crystals at 5 to 10 degrees Celsius warmer temperatures than droplets without microplastics, impacting weather and climate.
Clouds can consist of both liquid water droplets and ice crystals, with ice often forming around mineral dust or biological particles in the atmosphere.
Ice in clouds significantly affects weather and climate since most precipitation begins as ice particles, influencing whether clouds dissipate or produce rain.
The presence of microplastics in the atmosphere challenges traditional understandings of freezing temperatures and nucleation processes in cloud formation.
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