Branson refused to answer direct questions about how much he had spent, writing that “it’s very hard to quantify the total amount we’ve invested in relation to climate change across the Group,” and his labyrinthine holdings make it hard to come up with independent estimates. “I’m not very good with figures,” the billionaire has said about another murky corner of Virgin’s empire, adding “I failed my elementary maths.” Part of the confusion stems from the fact that it’s unclear what should be counted toward the original $3 billion pledge. It began as a targeted quest for a miracle green fuel,
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