Today at Berkeley Lab

N2O Levels in State May be Nearly Three Times Higher Than Previously Thought

Using a new method for estimating greenhouse gases that combines atmospheric measurements with model predictions, Berkeley Lab researcher Marc Fischer has found that the level of nitrous oxide in California may be 2.5 to 3 times greater than the current inventory. At that level, total N2O emissions—which are believed to come primarily from nitrogen fertilizers used in agricultural production—would account for about 8 percent of California’s total greenhouse gas emissions. The findings were recently published in Geophysical Research Letters. Nitrous oxide, better known as laughing gas, is an especially potent greenhouse gas because it traps far more infrared radiation than both carbon dioxide and methane. More>