Hi-Tech Cameras Spy Fugitive Emissions

The technology used in space missions can be expensive but it has some practical benefits here on Earth. Case in point: the thousands of high resolution images taken from the surface of Mars, collected by the two Mars rovers – Spirit and Opportunity. Now researchers at Carnegie Mellon University, in Pittsburgh, are using the same technology to analyze air pollution here on our planet. VOA’s George Putic reports.

© La Voix de l'Amérique - mercredi 24 octobre 2018