A great thing to do would be to start delegating community cleaning to students in schools. I believe they do this in Japan. If we start teaching kids to work collectively and take care of common spaces together, we can make a society that does the same.

Like you said, we already all do it in our own homes.

solutions that dont disrupt the 99%'s way of life

This is not possible. Barring some miracle technologies being developed, we would have to radically change our standards of living and give up our modern convenient lives to make meaningful changes.