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Air pollution: It all depends on your perspective
There’s only so much air to go around. Since we inhale trillions of molecules with every breath, a few of them may have been exhaled by people who lived hundreds or thousands of years ago.
- Air Quality
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Wet, cool, and wild: The winter of 2009–2010
The downpours of March suggest that the most noteworthy aspect of the Northeast’s winter was the intense precipitation rather than unusually cold air.
- Climate
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Hurricanes, natural variability, and global warming
Human activities are changing the composition of the atmosphere and global warming is happening as a result. The environment in which hurricanes form is changing. The evidence strongly suggests more intense storms and risk of greater flooding events.