Barcelona bans older, most polluting cars

Barcelona imposed a ban Thursday on older, more polluting vehicles during most of the day in a bid to reduce air pollution in Spain's second largest city.

Combatting air pollution with nature

Air pollution is composed of particles and gases that can have negative impacts on both the environment and human health. Technologies to mitigate pollution have become widespread in recent years, but scientists are now exploring ...

India's capital restricts cars as people choke in dirty air

Authorities restricted many private vehicles from taking to the roads of India's capital on Monday amid a public health crisis that has left New Delhi residents gasping and their eyes burning from toxic air pollution.

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