energyBig Questions
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What is "global climate change"?
Earth is warming fast. But why?
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What is the big deal with carbon?
We are returning carbon to the air much faster than nature took it out!
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What is the greenhouse effect?
How is Earth like a gardener's greenhouse?
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How do we know the climate is changing?
The clues are everywhere!
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What is happening in the ocean?
Our world is a water world, and the ocean is in charge.
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What can we do to help?
We can do a lot, including planning for a green career.
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What else do we need to find out?
And how is NASA seeking the answers?
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