The troposphere comprises the lowest layer of Earth’s atmosphere, stretching from the planet’s surface to a little over eight miles into the sky. It also contains about 10% of the ozone in the ...

NASA and NOAA recently announced good news concerning the ozone hole. What are lessons about science, policy and skepticism for other challenges?

Long-term data could help officials see whether air pollution is infiltrating pristine areasCome Friday, local officials will have another tool -- a nondescript gray, plastic box adorned with a ...

The hole, which is what scientists call an ‘ozone depleting area,’ reached a size of 26 million sq km on 16 September 2023. This is roughly three times the size of Brazil. Measurements from the ...

This season’s Antarctic ozone hole has swollen to an area of ten million square kilometres from mid-August – approximately the same size as Europe and still expanding. It is expected to reach maximum ...

DES MOINES, Iowa (AP) -- The equipment Iowa uses to monitor ground-level ozone, a key pollutant in smog, has been activated for the season. ``The state has 13 ozone monitors across Iowa that run April ...

An industry-leading French manufacturer of Active Pharmaceutical Ingredients (APIs) was treating its wastewater with ozone in order to break down recalcitrant pharmaceuticals into smaller, ...

Air quality, as measured by average ground-level ozone emissions, has improved considerably in Clark County from as recently as 2008 but worsened enough over the recent past that county officials have ...

The average area covered by the Antarctic ozone hole this year was the second smallest in the last 20 years, according to data from NASA and National Oceanic and Atmospheric Administration (NOAA) ...

Washington DC: This year's ozone hole over Antarctica ranked among the smallest since the early 1990s, reflecting steady progress from decades of global action under the Montreal Protocol. Declining ...

Measurements from the Copernicus Sentinel-5P satellite show that this year’s ozone hole over Antarctica is one of the biggest on record. The hole, which is what scientists call an ‘ozone depleting ...