Cities on front line of climate change

The world's cities face the brunt of climate change but some are starting to respond vigorously to the threat, experts say at a conference here staged ahead of the June Rio summit.

Bright facades and trees against heat and smog

Cities represent "heat islands" within their surroundings, which are characterized by many heat sources and small air flows. In southern Europe, bright buildings produce relief and provide for a cooler urban climate. Simulation ...

How urban heat affects bee populations

North Carolina is home to 500 species of wild bees, yet only a subset of these are common in cities and suburbs. People encourage wild bees by planting flowers and creating pollinator gardens to provide the pollen and nectar ...

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