By Pat Loeb

PHILADELPHIA (CBS) –– It was play time with a purpose outside Philadelphia City Hall today.

Kids splashed around in the fountains in Dilworth Park while delivering a message to elected officials about the need for environmental regulation.

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The Moms Clean Air Force has friends in the right places. State representative Donna Bullock is a member; she wrangled Senator Bob Casey and Mayor Kenney to Dilworth Plaza, where moms like Christine Dolle, with kids in tow, delivered the good news/bad news findings of two studies.

“Stagnant air days are actually on the rise and that increases our risk of ozone, and the second study is a bit of a ray of hope in that it wouldn’t take much to realize an impact, even just the slightest strictest air pollution standard.”

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Casey and Kenney are already clean air advocates but thanked the messengers.

“You really will grow into adults that really care.”

And Casey thanked the moms.

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“If you want to get a difficult job done, hire a mom.”