News tagged with ozone

What you should know about air quality alerts

"It's a code red day for ozone." If you hear this on your local news, what does it mean? Are you at risk? Do you know what to do? An air quality alert like this informs the public about pollution levels in the air and advises ...

dateJun 26, 2018 in Environment
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US gains in air quality are slowing down

After decades of progress in cleaning up air quality, U.S. improvements for two key air pollutants have slowed significantly in recent years, new research concludes. The unexpected finding indicates that it may be more difficult ...

dateApr 30, 2018 in Environment
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California has worst US air pollution: report

California has the most polluted cities in the United States, a report issued on Wednesday said, as President Donald Trump's administration seeks to force the state to weaken its vehicle emissions standards.

dateApr 19, 2018 in Environment
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Why ozone poses a challenge to food security

Ozone is a well-known and interesting gas. It is thought of as a "good" gas when present in the stratosphere, where it forms the ozone layer sitting 15 to 30 kilometres above Earth that protect life from detrimental ultraviolet ...

dateApr 05, 2018 in Environment
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The environmental footprint of the egg industry

In recent years, egg production has been in the spotlight for animal welfare issues. While the number of European farms with free-range hens has increased, in Spain, 93 percent of laying hens are still caged. This also contributes ...

dateApr 03, 2018 in Environment
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