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The Perlan Project is taking gliders high into the stratosphere to study the ozone hole.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
The use CFCs and other ozone depleting chemicals has been reduced. The ozone hole is starting to recover and may be healed by 2070.
It is an educational content of CK-12 Foundation (to access some of t ...
Describes how the ozone hole forms, what are its effects.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Describes how the ozone hole forms and what are its effects.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
The Ozone Hole, es una página en inglés que trata en cuatro temas sobre el problema de la capa de Ozono.
The discovery of the Ozone Hole
Recent Ozone loss over Ant ...
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