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QuoteGlobally, Bitcoin's power consumption has dire implications for climate change and achieving the goals of the Paris Accord because it translates into an estimated 22 to 22.9 million metric tons of CO2 emissions each year—equivalent to the CO2 emissions from the energy use of 2.6 to 2.7 billion homes for one year. One study warned that Bitcoin could push global warming beyond 2°C. Another estimated that bitcoin mining in China alone could generate 130 million metric tons of CO2 by 2024. With more mining moving to the U.S. and other countries, however, this amount could grow even larger unless more renewable energy is used.
QuotePower plants such as Greenidge also consume large amounts of water. Greenidge draws up to 139 million gallons of fresh water out of Seneca Lake each day to cool the plant and discharges it some 30 to 50° F hotter than the lake's average temperature, endangering the lake's wildlife and ecology. Its large intake pipes also suck in and kill larvae, fish and other wildlife.
QuoteAnd even if it one day becomes possible to run all bitcoin mining on renewable energy, its e-waste problem remains. To be competitive, miners want the most efficient hardware, capable of processing the most computations per unit of energy. This specialized hardware becomes obsolete every 1.5 years and can't be reprogrammed to do anything else. It's estimated that the Bitcoin network generates 11.5 kilotons of e-waste each year, adding to our already huge e-waste problem.
Quote from: ivav1313 on Mar 11, 2025, 09:34 PMHi, please verify me.
QuoteGlobal Bitcoin mining is highly dependent on fossil fuels, with worrying impacts on water and land in addition to a significant carbon footprint.
QuoteBitcoin is the most renowned and popular cryptocurrency. This motivated the UN scientists to evaluate the environmental impacts of Bitcoin across the world by looking at the activities of 76 Bitcoin mining nations during the 2020–2021 period. The results are shocking. In addition to a substantial carbon footprint, global Bitcoin mining activities have significant water and land footprints.
Quote"Technological innovations are often associated with unintended consequences and Bitcoin is no exception," said Professor Kaveh Madani, the Director of the United Nations University Institute for Water, Environment and Health (UNU-INWEH), who led this study. "Our findings should not discourage the use of digital currencies. Instead, they should encourage us to invest in regulatory interventions and technological advancements that improve the efficiency of the global financial system without harming the environment."