New possibilities for using ozonized erythrocyte mass explored

Any bleeding results in a decrease of the amount of circulating blood, and the disruption of the adequate supply of tissues with oxygen can lead to death. An important measure aimed at correcting the pathological effects ...

Report accuses China firms over ozone-depleting gas

An environmental pressure group claimed Monday that Chinese factories are illegally using ozone-depleting CFCs, which have recently seen a spike in emissions that has baffled scientists.

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 ...

Emissions of banned ozone-eating chemical somehow are rising

Something strange is happening with a now-banned chemical that eats away at Earth's protective ozone layer: Scientists say there's more of it—not less—going into the atmosphere and they don't know where it is coming from.

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 ...

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.

page 4 from 23