CNN reporter Jonathan Blum reports how cities like Philadelphia are putting solar-powered garbage compactors on their sidewalks to save money while going green.

He explains the BigBelly “CLEAN” wireless monitoring and notification system whereby each solar compactor in the field sends text messages to a central server with fullness and collection information — and shows on a tablet computer how cities can monitor all their solar compactors online.

Includes Commissioner Clarena Tolson of the Philadelphia Streets Department explaining how the BigBelly system saved the City nearly $900,000 in the first year alone, with expected 10-year savings of about $13 Million.

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