(Wired) Using two sets of satellite data, a team of scientists calculated how quickly Venice is sinking and how much of it can be blamed on nature, and how much on humans.

The scientists used radar imagery data collected by four different satellites and a relatively new analysis technique known as Persistent Scatterer Interferometry to make a much higher resolution calculation of the sinking than was previously possible. That might sound complicated, but the basic idea is actually pretty simple.

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