Related topics: air pollution

Measuring ozone from space

Today is the UN's International Day for the Preservation of the Ozone Layer – the perfect opportunity to look at how and why measurements of this molecule are taken from space.

Climate change may extend ozone season in the Southeastern US

Extreme weather conditions associated with climate change may extend the ozone season in the Southeastern United States as drought-stressed trees emit more of the precursor compound that helps form the health-threatening ...

Mexico City businesses say smog alert cost $300 mn

Traffic bans imposed by Mexico City authorities to reverse an upsurge of smog have cost residents and small businesses more than $300 million since April, a trade association said Tuesday.

Mexico City lifts air pollution alert

Mexican officials lifted a four-day air pollution alert in the nation's densely-populated capital after ozone levels dropped to acceptable levels.

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