Authorities issued their highest warnings for fog and haze on Tuesday as smog enveloped major cities in northern China, warning the public that visibility could drop to less than 50 metres (164 feet).

Air pollution causes cooling by reflecting sunlight or by changing the properties of clouds so they reflect more sunlight.

China’s smog reducing efforts improved public health - but may have accelerated global warming by reducing sunlight-reflecting aerosols.

China's central and local governments are releasing a slew of new regulations aimed at cutting severe air pollution and mitigating its deadly effect on citizens. The seriousness of the problem is ...

BEIJING (CNN) – Officials in Beijing are taking steps toward tackling the city’s long-standing smog problem with the creation of an environmental police force, according to state media.

China's hyped air show kicked off with performances from its aerobatics team on Tuesday. But the grand display was dampened by smog filling the skies over Zhuhai, Guangdong.

The World Could Benefit From China Clearing Up Its Smog Stricter regulations have led to bluer skies at home. But they are not yet curing an addiction to coal that is failing global emission efforts.

Commentaries by two of China's most influential news outlets suggesting that the country's air pollution crisis was not without a silver lining drew a withering reaction on Tuesday from internet ...

Authorities issued their highest warnings for fog and haze on Tuesday as smog enveloped major cities in northern China, warning the public that visibility could drop to less than 50 metres (164 feet).