Wonderful Copenhagen, the Danish capital's tourism organization, has unveiled an initiative to get visitors to act more sustainably.

Aruba has implemented a $20 sustainability fee per person for visitors arriving by air.

In Spanish cities suffering from overtourism, rules have slowly been introduced to help regulate numbers, including limits on the number of tourist rentals.

Marching under the slogan ‘Málaga for living, not surviving’, last weekend 15,000 people took to the streets to demand affordable housing and protest mass-tourism in the Costa del Sol city.

Thousands of Barcelona residents have taken to the streets to protest overtourism.

Another booming destination is talking openly about creating new restrictions for cruise ships. This time, it's Greece. Saying both Santorini and Mykonos are stressed by tourism, Greek prime minister Kyriakos Mitsotakis said he wants to restrict cruise ship berths or create a bidding process for ships to call at its popular islands, according to a Bloomberg report.

Tourists and visitors to Greece have been warned not to "take unnecessary risks" in the wake of the deaths of Europeans during the recent heatwave.

While "revenge travel" has sparked a resurgence in the European accommodation industry, the path ahead is uneven. Supporting smaller businesses is the way to preserve the cultural richness of Europe's hospitality landscape, Peter Lochbihler writes.

It might be an impossible task to find a traveler who loves crowds and long lines. However, they’re part of the price that most tourists have to pay to visit some of the world’s most famous attractions, especially during peak times.