WANT TO TRAVEL BUT DON’T WANT to get your hands dirty? Well, first off, maybe traveling’s not your thing. But second, you could always head to some of the world’s cleaner cities. Hassle, a UK cleaning service, has put together this infographic of some of the cleanest cities you can travel to in the world. Their standard of cleanness is largely based around how much a city is doing to cut carbon emissions, but air quality and water purity are factors as well.