If 80 percent of the population of emerging economies were to achieve the same clothing-consumption levels as the Western world by 2025...

Notes:

, and the apparel industry does not become more environmentally efficient, then C02 emissions of the industry would increase by 77% between 2015 and 2025.

Primary Source:

2017 - https://www.mckinsey.com/business-functions/sustainability/our-insights/style-thats-sustainable-a-new-fast-fashion-formula

Secondary Source:

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