Study shows green roofs could reduce indoor air pollution

Green roofs – roofs that are planted with vegetation—may improve the indoor air quality of commercial buildings by cutting the amount of ozone coming into the buildings from the outside, according to new research from ...

Study highlights lack of fair access to urban green spaces

People with higher incomes and more education tend to have greater access to urban green spaces than their less privileged neighbours, a new University of British Columbia study of parks and greenery in 10 major North American ...

When it rains, it pours—the effects of stormwater runoff

The lovely smell that follows a spring rain as you sit on your porch and enjoy the sound of drips pattering on the lawn is so loved that it has earned the distinct honor of its own word: "petrichor." Somewhat less romantic ...

So much depends on a tree guard

In a big city, trees, like people, like their space. In a new study, researchers at Columbia University found that street trees protected by guards that stopped passersby from trampling the surrounding soil absorbed runoff ...

Team to test experimental floating marshland

A relatively low-tech method of imitating a natural marshland may help clean freshwater ponds contaminated by storm water runoff, according to research being funded by St. Tammany Parish Government in cooperation with scientists ...

Classification system proposed for green roofs

Green roofs (or living roofs) are becoming a growing trend in North America – and have been long established in Europe – for their value in conserving energy, improving air quality, managing storm water runoff, beautifying ...

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