Blockchain, the electronic ledger technology underpinning bitcoin, has been used to address pollution and energy consumption in the past; now it appears poised to attack global warming and deforestation.

Earlier this month, IBM announced it’s working with environmental fintech company Veridium Labs Ltd. to tokenize carbon credits, which are used to incentivize companies to pollute less. The tokens could be traded on a distributed, open-source blockchain exchange run by start-up Stellar.

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