Tag: spectrum

Is Ozone Good or Bad? (European Space Agency)
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Is Ozone Good or Bad? (European Space Agency)

The layer of ozone high up in the stratosphere is our main defence against the Sun’s ultraviolet radiation. But ozone is also a powerful greenhouse gas and ozone at ground level is a hazard to health. The Montreal Protocol to reduce the use of ozone-destroying chemicals world-wide is an inspirational example of how countries can…

Taking the Pulse of the Planet KS3 (European Space Agency)
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Taking the Pulse of the Planet KS3 (European Space Agency)

Satellites offer a unique global perspective on the Earth’s climate. Earth observation satellites take daily images that reveal a wealth of detail about our changing planet and we now have over three decades of observations describing some of the most important climate variables. These are essential for setting up climate models and checking their accuracy….