Home owner and golf courses often use large amounts of pesticide and fertilizer to produce lawns that are of exceptional quality. The products are needed as the lawn is a monoculture of grass and so not a naturally stable ecosystem. Some municipalities are enacting laws to limit the amounts and types of pesticide and fertilizer that can be applied to lawns.
The home owners and golf courses see this as an infringement on their civil rights. In five or more sentences, What reasons could a municipality give to explain why they should have the right to limit the actions of a group of people on their own property?