Green Glossary

This page contains a list of green expressions that apply to manufacturing and industry. You can search for a given phrase or find phrases by clicking on their initials on the table below.

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Phrase Explanation
NAPM
NAPM

National Association of Paper Merchants. UK trade association that promotes the use of NAPM recycled mark for qualifying papers.

Nitrogen

Nitrogen. A non-metallic element that constitutes nearly four-fifths of the air by volume and occurs in all-living organisms. It is a constituent element in proteins and DNA

NOx

Nitrogen Oxides. These are emissions that occur when fuels that contain nitrogen are burned. In moist air, nitrogen oxides can form nitric acid, which, in turn, is precipitated as "acid rain".