Every second, millions of tons of various gases rise from the surface of the earth into the atmosphere. Many of them are man-made and harmful, contributing massively to pollution and consequently to global warming. The European Space Agency, ESA, is slowly building a network of satellites that will help scientists create a real-time global map of the health of our planet. VOA’s George Putic reports.

Author

Wscien

There are currently no comments.

comments




Domain Names, Domains, Hosting                   Avast