Zero waste travel: these cities are the cleanest in the world and ideal for a quality holiday

A futuristic city, Singapore is also ahead of the game in many environmental areas. Like Calgary in Canada, the Asian city has a zero tolerance policy when it comes to litter. It's a policy that's paying off, as the city is now one of the cleanest in the world.

With 50 square metres of green space per inhabitant and numerous communal vegetable gardens, Curitiba is the greenest city in Brazil. To promote recycling, the authorities have introduced an innovative system. This involves exchanging waste for food or bus tickets. It's an initiative that's working in this city in the south of the country, where 90% of residents recycle their waste.

Looking at this photograph, you might think you were in a Hollywood film studio, with its small, neat and tidy houses. But more than just an impression, the town of Ifrane in Morocco has been working for several years to ensure a better quality of life for its residents. This involves exemplary waste management, as well as reducing air pollution. All these efforts have earned Ifrane the "African Super Prize for Excellence".

Banning plastic bags, abolishing the hunting of protected species... Over the last few years, the authorities in the city of Wellington in New Zealand have fought hard to preserve the environment and make the municipality of 210,000 inhabitants one of the cleanest cities in the world. These initiatives have borne fruit, with the city now topping the list of the world's cleanest cities.

Considered to be the cleanest city in the world, Calgary can pride itself on being ahead of the game in many environmental areas. A sophisticated wastewater treatment system and meticulous management of landfill waste make the city a model of cleanliness.