Scandinavian nations continue to enjoy a disproportionate presence amongst the world's greenest cities.

Washington DC-based environmental consultancy DualCitizenLLC has released the fourth edition of its Global Green Economy Index, which assesses the environment and sustainability accomplishments of 60 countries and 70 cities around the world, as well as the way these accomplishments are perceived amongst industry experts. Scandinavia is prominently represented amongst the world’s 10…