Environmental Notations for ships are extremely important to make shippers follow environmental regulations. Keeping that in mind, the ABS group has published an environment notation guidelines.
Let’s take a look at it.
ENVIRO and NOx Tier III NotationsVessels designed, constructed, and operated in compliance with the foundational requirements of this Section may be assigned the class notation ENVIRO, Environmental Protection. Vessels in compliance with higher-level requirements may be assigned...
https://mfame.guru/faq-enviro-protection-notations-for-vessels/