The two companies mentioned: https://www.f6s.com/company/roboloop and https://www.thereclamationfactory.com/

I assume it would break into smaller particles similar to the formation of microplastics. I hear about the effects of microplastics all the time. Are the effects of disposed rubber on the environment studied as extensively?

YT just recommended this to me, and it's honestly the first time I think I've ever heard it before. It's now in my playlist for relaxing at the end of the day.