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 ...

Super volcanic eruptions interrupt ozone recovery

Since the Antarctic ozone hole was detected in 1985, depletion of the ozone layer—the "big umbrella" that protects all life on Earth—has raised considerable concern. The efforts of international communities led to the ...

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.

O, no: Ozone levels elevated in presence of wildfire smoke

For those living with the threat to life and property from wildfires, Colorado State University scientists have some more bad news: Wildfire smoke seems to elevate levels of ozone, a nasty air pollutant with proven adverse ...

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