The startling disappearance of ozone isn't completely understood, but as it vanishes, harmful energy from the sun is reaching Earth for the first time in 2.5 billion years. Discover the ozone hole, the greenhouse effect, and the Montreal Protocol, and learn about the hopeful elimination of CFCs.
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The startling disappearance of ozone isn't completely understood, but as it vanishes, harmful energy from the sun is reaching Earth for the first time in 2.5 billion years. Discover the ozone hole, the greenhouse effect, and the Montreal Protocol, and learn about the hopeful elimination of CFCs.
Read Less
