Time to get tough on soot Philadelphia Inquirer EVER GO OUT on a clear day and smell something bad? Maybe bad enough to make you cough or wheeze? Blame it on fine particulate matter, commonly called soot. Even though you cannot see it, it is still big enough to be trapped in your lungs and ... |
Sunday, August 5, 2012
Time to get tough on soot - Philadelphia Inquirer
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment