Global Warming Clock Unveiled in NYC: CO2 Highest in 800,000 Years

Deutsche Bank has erected a seven-story sign in the heart of New York City outside Madison Square Garden that displays the tons of carbon dioxide being emitted into the atmosphere. Designed by scientists at MIT hanging outside Madison Square Garden, the giant counter shows that the amount of carbon dioxide in earth's atmosphere is at 3.64 trillion metric tons, the highest level in 800,000 years.

Numbers ticking on the counter show that CO2 is being added to the atmosphere at the rate of 800 tons per second.

Unveiling the sign, Deutsche Bank officials said it was designed to highlight the crisis of global warming and the urgency of reducing CO2 emissions.

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