News tagged with satellite data

Tracking air pollution aids policy makers

(Phys.org) —Recently, Beijing and the nearby Chinese provinces were veiled in smog that reduced visibility, induced health problems, and reached levels described as "beyond index."

Jan 31, 2014
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NASA maps Earth's croplands from space

It takes a lot of land to grow food for the world's seven billion people. About a third of Earth's terrestrial surface is used for agriculture. And about a third of that, in turn, is used to grow crops. Now, ...

Jan 30, 2014
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Earthquake scars Earth's gravity

(Phys.org) —ESA's GOCE satellite has revealed that the devastating Japanese earthquake of 2011 left its mark in Earth's gravity – yet another example of this extraordinary mission surpassing its original ...

Dec 04, 2013
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