NASA has launched its first spacecraft devoted to monitoring atmospheric carbon dioxide, the heat-trapping gas thought to be responsible for much of Earth's recent warming trend.
The space agency's Orbiting Carbon Observatory-2 satellite (OCO-2) blasted off today (July 2) from Vandenberg Air Force Base in California at 5:56 a.m. EDT (0956 GMT, 2:56 a.m. local time), carried aloft by a United Launch Alliance Delta 2 rocket. The liftoff was originally scheduled for Tuesday (July 1), but a problem with the launch pad's water system caused a one-day delay.
http://www.space.com/26422-blast-off-orbiting-carbon-observatory-launches-from-california-video.html
The satellite will measure carbon dioxide levels in Earth's atmosphere 24 times every second, revealing in great detail where the gas is being produced and where it is being pulled out of the air — CO2 sources and sinks, in scientists' parlance
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