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Tag: NOx


Ammonia emissions from agricultural fertilizers are threatening sensitive ecosystems in U.S. national parks, a study led by Harvard researchers has found. Thirty-eight national parks are seeing nitrogen deposition levels at or above the threshold for


NOx is a pollutant that comes from all combustion emissions. It can be minimized but not eliminated at the stack. Painted surfaces (a very common urban surface area) with photo-catalytic characteristics may be able to clean the air of nitrogen Read more…