Researchers in Japan have confirmed microplastics are present in clouds, where they are likely affecting the climate in ways that aren't yet fully understood.
If you read below the fold in the article you get:
The team identified nine different types of polymers and one type of rubber in the airborne microplastics – ranging in size from 7.1 to 94.6 micrometers.
If you read below the fold in the article you get: