In the atmosphere, at an altitude of about 20 to 30 kilometers, the ozone layer protects us from carcinogenic UV rays. But on earth, on the ground, ozone is a problem. Here, the colorless and toxic gas harms people and the environment. More about ozone: http://www.umweltbundesamt.de/ozon Transla
It's remarkable to think that a compound renowned for its safety and stability in commercial products could have dramatically compromised the health of our planet, but that's just what chlorofluorocarbon (CFC) has done. This video segment adapted from NASA's Goddard Space Flight Center describes how
NASA has launched an ozone sensor to help monitor long-term change in the ozone layer. This sensor, called SAGE III, will be installed on the International Space Station in 2017. Click here to see more videos: https://alugha.com/NASA Visit http://science.nasa.gov/ for more. http://www.nasa.gov/st
