Montreal bans single-use plastic bags as of 2018

Greater Montreal announced Thursday a ban on non-biodegradable, single-use plastic bags starting in 2018, in the largest of its kind proscription in Canada, while urging other major cities around the world to follow suit.

Residents feel safer with walkable, retail space

The characteristics of walkable neighbourhoods have been explored for their associations with perceived crime risk and fear of crime in Perth's new suburban housing developments.

Oak trees in Southern U.S. cities are natural urban air filters

Researchers at the University of North Texas have found that two oak tree species, post oak and live oak, that are widespread across the U.S. South remove black carbon from the urban atmosphere. The findings may offer a natural ...

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