In particular, the analysis finds that:

• The estimated amount of reduced carbon emission of Greenate certified steel™ is only equivalent to three days of POSCO's annual emissions, and its manufacturing methodology significantly lacks both carbon reduction capability and relevance to decarbonization technologies. 

• The mass balance methodology, which is at the core of the sustainable credentials claimed by Greenate certified steel™, carries significant risk of greenwashing. 

• This could be detrimental to the development of Korean and global green steel technologies and related markets. 

• POSCO must establish transparent and environmentally friendly standards when utilizing the mass balance methodology, to strengthen the eco-friendliness of individual brands, and clearly present the volume of carbon reduction using basic units.

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