| | | | | | | Dear friend of Mother Nature, Think air quality doesn't matter? Look at Pittsburgh in the 1940s before the Clean Air Act passed (these photos are amazing). Other stories we're tracking this week: - Early morning pop quiz: If the entire human population stepped on a scale, how much would we weigh? And what continent would have the dubious honor of coming in first?
And now a word from our sponsor: Find work-life balance with the new e-book: The Yin and Yang of Telecommuting. PGI has a free copy with your name on it. :) | | | | | | | | | | |
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