"This accelerating effect in ponds, which could have serious impacts on climate change, is not currently accounted for in Intergovernmental Panel on Climate Change models.
"Pound for pound, the comparative impact of CH4 on climate change is more than 25 times greater than CO2 over a 100-year period," the EPA adds.
New research has shown that an increase in temperatures could speed up climate change by increasing the amount of methane (CH4) released by ponds, and cutting the amount of carbon dioxide (CO2) they store.
"Given the substantial contribution small ponds make to the emission of greenhouse gases, it is vital to understand how they might respond to global warming," Yvon-Durocher added.
During the experiment, an "array" of ponds was warmed up by four to five degrees centigrade over a period of seven years.
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