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Articles by Nitish Pahwa

Nitish Pahwa is a copy editor at Slate.

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This story was originally published by Slate and is reproduced here as part of the Climate Desk collaboration.

Last April, the cryptocurrency world announced its own virtual iteration of the Paris Agreement: the Crypto Climate Accord. The alliance bills itself as “a private sector-led initiative for the entire crypto community focused on decarbonizing the cryptocurrency and blockchain industry in record time.” Its goal is to transition the crypto industry to renewable energy sources in time for the 2025 United Nations climate conference. By 2040, it seeks to “achieve net-zero emissions for the entire crypto industry.”

Why does crypto need its own climate pact? Because it has a massive carbon footprint, one that’s kept growing as interest in cryptocurrencies — not to mention the sheer number of cryptocurrencies — has grown. A 2019 study in the science journal Joule estimated that, at the lowest bounds, Bitcoin’s power consumption emitted about 22 million metric tons of carbon dioxide the previous year. For context, that’s about 10 percent of the global railway sector’s annual emissions — and it’s just for one currency, even if it’s a ... Read more

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