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The recent push to run Bitcoin mining on renewable energy is a good start, but most mining activity will still leave a large carbon footprint. Carbon offsetting might be the best option to mitigate the impact of crypto mining on the environment. Carbon credits are bought by transferring the emission from Bitcoin mining to other sources. Offsetting carbon emissions is an efficient way to lower the impact of mining on the environment.
However, carbon offsetting has its limitations. Carbon offsets are not 100% effective and can sometimes be abused. For instance, one mining operation reviving an old gas plant became carbon neutral when the operator decided to use the facility for Bitcoin mining. Offsets should be evaluated on a case-by-case basis. It is important to note that some companies use carbon offsets for personal profit rather than to reduce their environmental impact.

Considering that electricity prices are different across countries, carbon emissions are impossible to estimate without knowing the energy mix used to mine Bitcoin. For example, if Bitcoin is mined in China, one kilowatt-hour of electricity would cost 8.6 cents. But in Sweden, carbon taxes on mining cost more than 100 euros a ton. Carbon offsetting could also help mitigate the impact of crypto mining on the environment.
Although there are no precise figures regarding the carbon footprint of Bitcoin mining, it is clear that it is a significant problem for the environment.
The total impact of crypto mining will never be zero if the entire network isn’t carbon neutral. That means that carbon offsetting will never be effective in the long term. But in the meantime, it will not affect the Bitcoin network. The crypto industry is growing exponentially, and its carbon footprint is undoubtedly increasing. Increasing the amount of energy required by Bitcoin mining could stimulate the creation of new renewable energy projects. However, critics argue that cryptocurrency mining undermines efforts to fight climate change.

Alternative energy sources
The recent increase in the popularity of cryptocurrencies has generated a great deal of attention. However, the literature analyzing the environmental impact of mining and transacting cryptocurrencies is still limited. This study aims to fill that gap by extending previous studies and using novel standard and asymmetric causality tests to examine the effect of crypto mining on the environment. As the cryptocurrency industry grows, it may prove helpful for managing carbon emissions and climate change. Furthermore, a comprehensive understanding of the impact of significant cryptocurrencies will be beneficial to policymakers.
In the Oil-Drilling Capital of Canada, a tech company is trying to solve the problem of crypto mining’s impact on the environment by using waste oil. This company is called CurrencyWorks, and they use the identical computing intensive blockchain to mine Bitcoin but are using energy from waste oil instead. In the long run, this will reduce the impact of mining on the environment while keeping the promise of decentralization intact.

In the cryptocurrency mining industry, creating new currency units depends on the use of computing power. The energy needed to create a cryptocurrency may not be directly proportional to the carbon emissions emitted, and the energy mix will determine the number of carbon emissions.
While the Bitcoin network has spent millions on infrastructure and hardware, its lack of oversight has meant that the industry has yet to become environmentally conscious. Still, there are initiatives underway to reduce the energy usage of cryptocurrency mining. For instance, Tesla CEO Elon Musk recently met with the CEOs of the largest crypto mining companies in the North American region and established the Bitcoin Mining Council. This council will work to help the industry achieve its goal of becoming more sustainable.