Oil and gas emissions a major contributor to bad ozone days

On certain days in 2014, oil and gas emissions made a big contribution to high summertime ozone levels in northeastern Colorado, according a new study led by CIRES and NOAA researchers. High concentrations of summertime ozone ...

Warm air helped make 2017 ozone hole smallest since 1988

Measurements from satellites this year showed the hole in Earth's ozone layer that forms over Antarctica each September was the smallest observed since 1988, scientists from NASA and NOAA announced today.

Study reveals new threat to the ozone layer

"Ozone depletion is a well-known phenomenon and, thanks to the success of the Montreal Protocol, is widely perceived as a problem solved," says University of East Anglia's David Oram. But an international team of researchers, ...

Europe set to launch atmosphere-probing satellite

Europe is set to launch a satellite Friday dedicated to monitoring Earth's atmosphere, the protective layer that shields the planet from the sun's radiation, the European Space Agency said.

Global airborne mission to make ozone hole detour

Atmospheric researchers depart this month on NASA's DC-8 research aircraft on their third survey of the global atmosphere. Taking place for the first time in Northern Hemisphere fall, the season gives them the unique opportunity ...

30 years of healing the ozone layer

This week marks the 30th anniversary of the signing of the Montreal Protocol on Substances that Deplete the Ozone Layer. The signing of the Montreal Protocol was a landmark political event. The treaty is the first in the ...

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