Answer: (Detailed Solution Below)
Option C: an international certificate issued to industrial units for having established Pollution Control System
Detailed Solution:
The correct answer is “an international certificate issued to industrial units for having established Pollution Control System ”.
ISO 14001 is an international standard for environmental management systems (EMS) that helps organizations reduce their environmental impact, comply with legal requirements, and improve their environmental performance. It's the most widely used EMS in the world, with over 360,000 certificates issued globally.