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Al Stahler: Sun, air, climate | Lifestyles | theunion.com - The Union

The Union · last updated

Al Stahler: Sun, air, climate | Lifestyles | theunion.com
Warm air rises. Blow into a freezer, and the water vapor in your breath forms a cloud. When sweat evaporates, it cools your skin. A cloudy night is often comfortable, even balmy. Should the clouds disappear – should the sky dry – temperatures can plummet.