Environmental design

Gardens blanket the roofs of shops in Copenhagen.

It’s not just the bikes — green rooftops help make Copenhagen the world’s greenest city

Environment

Copenhagen is the greenest city in the world, and its carefully planned green rooftops are helping it reach that spot. The rooftop oases help trap carbon and water, support biodiversity and help the city prepare for the warmer future that’s coming thanks to climate change.

Trees line a busy street in New York. The city is trying to plant 1,000,000 trees to offset climate effects.

Forest ecologists are working to make New York’s concrete jungle a little greener

Environment