Study suggests trees are crucial to the future of our cities

The shade of a single tree can provide welcome relief from the hot summer sun. But when that single tree is part of a small forest, it creates a profound cooling effect. According to a study published today in the Proceedings ...

How hyper-manicured public spaces hurt urban wildlife

I walked my kids to school recently through the pretty North East English village of East Boldon and saw a red cross on a beautiful old rowan tree. I thought it might be the diesel haze of nearby commuter traffic confusing ...

Plant hedges to combat near-road pollution exposure

Urban planners should plant hedges, or a combination of trees with hedges—rather than just relying on roadside trees—if they are to most effectively reduce pollution exposure from cars in near-road environments, finds ...

Plant a tree: Milan's ambitious plans to be cleaner, greener

If Italy's fashion capital has a predominant color, it is gray—not only because of the blocks of neoclassical stone buildings for which the city is celebrated, but also due to its often-gray sky, which traps pollution.

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