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biodiversity

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.

It's not just the bikes — green rooftops help make Copenhagen the world's greenest city
The total number of wild animals in the world has dropped by more than half in just 44 years, according to the World Wildlife Fund's new Living Planet Report. The report compiled data for more than 10,000 vertebrate species, along with trends in humanity'

Global wildlife populations have fallen by half — a stat that says it all

Environment
Global wildlife populations have fallen by half — a stat that says it all