Wired uses data from AEE's latest release: Advanced Energy Now 2017 Market Report, to demonstrate the size and scope of the global advanced energy industry. From the article: 

Keeping those promises [of the Paris Agreement] will require replacing much of the world’s fossil-fueled energy infrastructure with alternatives like wind, solar, and batteries. “It’s certainly clear that we don’t have all the technologies we need to meet the climate challenge,” says Mark Muro, senior fellow at the Brookings Institute’s Metropolitan Policy Program. “So that means that innovation and R&D are absolutely crucial coins of the realm.” According to a recent report by Advanced Energy Economy, clean energy is worth $1.4 trillion worldwide. Coins indeed.

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