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Bitcoin Mining in China could undermine Climate emission policies

Bloomberg has published an article based on a study carried out by Nature Communications. The study finds that the energy consumption and carbon emission from Bitcoin mining will undercut China’s climate efforts without more stringent regulations and policy changes. The energy consumption from Bitcoin mining in China — the country that accounts for more than 75% of Bitcoin blockchain operations globally as of April 2020 — is projected to peak in 2024 at around 297 terawatt-hours, generating 130 million metric tons of carbon emissions, according to the study from researchers at University of Chinese Academy of Sciences, Cornell University, Tsinghua University and University of Surrey. 

China’s energy consumption from Bitcoin mining in 2024 will exceed the total energy consumption level of countries like Italy and Saudi Arabia, the study added and the carbon emissions will exceed the annual greenhouse gas emissions outputs of countries including the Netherlands, Spain and Czech Republic.  

 Because China has cheaper power that is less taxed and supplied by abundant coal-fired plants and hydroelectricity, it has become one of the most sought-after destinations for Bitcoin mining. The researchers found that individual site regulation policies might be more effective in curbing emissions in the industry. Those could induce changes in the energy consumption structure of the mining activities, compared with the punitive carbon tax policy that is more popular today.

As part of the Paris Agreement commitment to fight global warming, Chinese President Xi Jinping pledged China will reach carbon peak by 2030 and become carbon neutral by 2060. Since then, various sectors in China have announced they will make road maps to reach carbon neutrality.

However, operation of the Bitcoin blockchain is not listed as an independent department for carbon emissions in China, which “adds difficulty for policy makers to monitor the actual behaviors of the Bitcoin industry and design well-directed policies,” according to the researchers.

“Without appropriate interventions and feasible policies, the intensive Bitcoin blockchain operation in China can quickly grow as a threat that could potentially undermine the emission reduction effort taking place in the country,” the researchers said.

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