pollution trends

• Dan Farber
• June 16, 2011

Some Intriguing Statistics

I was recently paging through the new 2011-2012 Statistical Abstract of the United States (strange folk, we professors), and came up with some intriguing tidbits that I wanted to pass on: In the past fifty years, total water withdrawals have increased by 150% Carbon monoxide, ozone, sulfur dioxide, particulates and nitrogen dioxide all declined from …

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