Added C02 from boats may have an effect. And people may know not to touch it, and you may not, but that doesn't mean other's don't. The best way not to effect

Added C02 from boats may have an effect. And people may know not to touch it, and you may not, but that doesn't mean other's don't. The best way not to effect nature is to not interact with it. Obviously that's not 100% possible nor pleasurable, but for more sensitive systems, it's more necessary.