It isn’t the first time. A decade ago, enthusiasm swelled for the renewable energy boom known as clean tech. That led to billions of dollars in losses as startups furiously spent venture capital with few solvent companies to show for it.
But climate funds are popping up once again. Billions of dollars are pouring back into the sector. Charm may be one of the big beneficiaries. It has raised $3.5 million in angel investment, according to private equity research firm PitchBook, and its global ambitions will demand hundreds of millions more.
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