Disney cruise line ships negatively effect the environment?

I'm doing a project for semester exam and I need info on how Disney cruise line ships effect the environment in 3 negative ways.Disney cruise line ships negatively effect the environment?
You mean "affect", I think.



Disney cruise line ships don't negatively affect the environment any more than the ships from any other line. Maybe the DON'T in fact negatively affect the environment in three ways.



If you're doing a project, then that means YOU need to do some research. I'd guess you can find info on this topic by doing a search on the topic.