sundance

New York’s Towering Digital Counter Tracks Rising Greenhouse Gases

NEW YORK, New York, June 19, 2009 (ENS) – Crowds moving past the corner of 33rd Street and 7th Avenue outside Madison Square Garden and Penn Station in New York City can now keep track of atmospheric greenhouse gas concentrations on a new giant digital billboard. The 70-foot-tall carbon counter keeps a running total of [...]