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By Adrianne Jeffries on December 11, 2013 09:17 am @adrjeffries
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Scientists in Toronto have discovered a manmade gas that is 7,100 times more powerful at trapping the Earth's warmth than carbon dioxide, according to a new study. The gas, perfluorotributylamine (PFTBA), is a byproduct of the electrical industry.
PFTBA was measured at low concentrations in the atmosphere and is not a major contributor to global warming at the moment, the study's authors say. However, it remains in the air for 500 years before dissipating.
It remains in the air for 500 years
PFTBA is one of many unregulated greenhouse gases that may be contributing in small ways to climate change. These gases should be measured and regulated in case their concentration increases in the future, the researchers say.
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