E (environment) Code (agreement is environmental or not):
Source for E (environmental) code:
Text used for E (environmental) coding:
Amendments of 1993 To The Technical Annex Of The Protocol To The Convention On Long-Range Transboundary Air Pollution Concerning The Control Of Nitrogen Oxides Or Their Transboundary Fluxes
Words used to code as Environmental:
air pollution/boundary/pollut