Global average CO2 concentration tops 400 ppm mark in March

File photo taken in October 2014 shows smoke coming out of a chimney at a coal-fired thermal power plant in the U.S. state of Kentucky. The global average concentration of carbon dioxide surpassed 400 parts per million in March for the first time on record, the U.S. National Oceanic and Atmospheric Administration said on May 6, 2015. (Kyodo) ==Kyodo

• Product Code
• ILEA000068761

• Registered date
• 2015/5/07 09:01:03

• Credit
• Kyodo / Kyodo News Images

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• 2816 × 2112 pixel

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• 240 dpi

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• 454.75(KB)*

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*File size when opened in Photoshop, etc.