Monitoring air pollution after Hurricane Maria

When Hurricane Maria struck Puerto Rico on September 20, 2017, the storm devastated the island's electrical grid, leaving many people without power for months. This lack of electricity, as well as other storm-related damage, ...

What effect is global aviation having on the environment?

There's no denying the positive economic and social impact that air transport has had on our global society. From making it convenient for us to travel to far-flung places and experience different cultures to enabling isolated ...

Copernicus Sentinel-5P releases first data

Following months of tests and careful evaluation, the first data on air pollutants from the Copernicus Sentinel-5P satellite have been released. These first maps show a range of trace gases that affect air quality such as ...

Grasslands more reliable carbon sink than trees

Forests have long served as a critical carbon sink, consuming about a quarter of the carbon dioxide pollution produced by humans worldwide. But decades of fire suppression, warming temperatures and drought have increased ...

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 ...

New source of global nitrogen discovered

For centuries, the prevailing science has indicated that all of the nitrogen on Earth available to plants comes from the atmosphere. But a study from the University of California, Davis, indicates that more than a quarter ...

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