Using compost instead of nitrogen as fertilizer in Canada can slow global warming
![Farmer's field with corn stalks and snow.](/science/sites/default/files/uploads/images/freeze-thaw_photo-banner.jpg)
A new study led from the University of Waterloo discovered greenhouse gas production is significantly less when biobased residues like compost replaces widely used nitrogen fertilizer during spring freeze-thaw events in cold temperate regions.