Sentences with phrase «oxide emissions occur»
Nitrous oxide emissions occur naturally through many sources associated with the nitrogen cycle, which is the natural circulation of nitrogen among the atmosphere, plants, animals, and microorganisms that live in soil and water.
https://www.epa.gov/ Not exact matches
The scientists first added up all biogenic emissions of carbon dioxide, methane, and nitrous oxide, then subtracted out those that occurred naturally prior to human intervention to get to the net amount.
These bed filters and hydrous manganese oxide technologies are expected to reduce the naturally occurring radioactive materials generated during the removal of radioactivity by 90 %, as well as cutting treatment costs and greenhouse gas emissions.
Likewise, nitrous oxide emissions from agriculture mainly occur in a few crops and a few concentrated regions.