The Union Ministry of Environment, Forest and Climate Change (MoEFCC) has released a new Four-colour Classification Scheme for industries based on their pollution potential.
The four-colour classification scheme of industrial sectors based on the Pollution Index (PI) which is a function of the (i) Emissions (air pollutants) (ii) Effluents (water pollutants) (iii) hazardous wastes generated and (iv) Consumption of resources.
- The PI of any industrial sector is a number ranging from 0 to 100. Increasing value of PI denotes the increasing degree of pollution load from the industrial sector.
- Based on the on ‘Range of Pollution Index‘, industrial sectors have been categorised into four colours category. Under the new categorisation system,
- Red category: PI score of 60 and above. These are severe polluting industries. Total 60 industries including sugar, thermal power plants, paints and others are under in it.
- Orange category: PI score of 41 to 59. They moderately polluting industries. Total 83 industries like coal, washeries and automobile servicing are placed under it.
- Green category: PI score of 21 to 40. They are significantly low polluting industries. Total 63 industries are under in it.
- White category: PI score below and upto 20. They are non-polluting industries. Total 30 industries are under in it. These industries are exempted from requirement of environmental clearance.