E (environment) Code (agreement is environmental or not):
Source for E (environmental) code:
Text used for E (environmental) coding:
Supplementary Protocol To The Treaty Relating To The Utilization Of the Waters Of the Colorado And Tijuana Rivers And Of The Rio Grande (Rio Bravo) from Fort Quitman, Texas, to the Gulf of Mexico
Words used to code as Environmental:
water/ waters/rio grande/river/utilization of the water