Related topics: air pollution · air quality · pollution

Smog-ridden New Delhi extends schools shutdown

Authorities in India's smog-ridden capital New Delhi on Sunday extended an emergency schools closure by a week, with no signs of improvement in the megacity's choking levels of pollution.

HAARP artificial airglow may be widely visible in Alaska

Alaskans and visitors may be able to see an artificial airglow in the sky created by the High-frequency Active Auroral Research Program during a four-day research campaign that starts Saturday.

UN sounds warning on climate change health threat

Climate change poses a health threat through increasing weather disasters and extreme heat, the UN said Thursday, calling for better warning systems that could be weaved into public health policy.

Students ordered to wear masks in smog-hit Lahore

Authorities in Pakistan ordered schoolchildren in the smog-smothered city of Lahore to wear masks during lessons starting Thursday, an effort to protect against hazardous levels of polluted air.

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