"Copenhagen’s success offers a robust framework for environmental action and ecotourism that other cities and nations can ...

And yet, Copenhagen's reputation as a must-visit city -- especially in the eco-friendly category-- has been on the rise for quite some time now. Over three million visitors flock there every year ...

Whether it's Copenhagen's bike culture ... Oslo's Fjord City project has turned industrial areas into vibrant, eco-friendly neighbourhoods. Oh, and let's not forget the organic coffee shops ...

Opinions expressed by Forbes Contributors are their own. David Nikel is a travel writer covering cruising and Scandinavia. With a population that embraces cycling and enjoys a close relationship ...