The Air We Breathe
NASA
Our atmosphere is vital to all living things on our planet. How much do you know about the air we breathe?
Answer questions like ...
- How far can air pollution travel from its source?
- Which type of air pollution is most difficult to measure from space?
- In the 10,000 years before the Industrial Revolution in 1751, carbon dioxide levels in the air rose by less than 10 percent. Since then they’ve risen by:
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