Banks of moss could clean dirty air of particulate matter. Citydwellers would breathe more freely. The City Tree project has developed high-tech walls of moss to install on dirty streets.
The Indian capital is covered in a blanket of thick smog as the concentration of harmful particulate matter in the air reached hazardous levels. Local officials have asked schools to remain shut until Sunday.
A blanket of thick smog carrying harmful particulate matter has engulfed large parts of northern India and Pakistan. Hospitals in the region are witnessing a huge spike in patients suffering from respiratory problems.
Dirty air resulted in the premature deaths of more than 500,000 people in the European Union in 2014, the European Environment Agency reports. Pollution needs to be reduced, agency heads and environmentalists agree.
As India celebrates the Hindu festival of Diwali, marked by bursting firecrackers and lighting lamps, the ban on fireworks in Delhi has cast a dark shadow on traders. Some say it will take out fun from the festival.
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