Freedom campers who urinate and defecate in public and bathe naked in Lake Taupo are ruining business and a pristine environment, say local tourism operators.

"Wish you were here" isn't a slogan that can be spotted amid the racks of postcards spilling into the streets in Athens' tourist traps, but the sentiment is visible everywhere.

Air New Zealand is increasing capacity on its flights from Auckland to Perth by 70 seats.