No, Bitcoin will not destroy our climate by 2033

Bitcoin mining is an energy-intensive business, but it will not destroy the planet, as claimed in a new study of 3–3–35.
No, Bitcoin will not destroy our climate by 2033  
A new study predicts r3r375. that a dramatic increase in the use of energy-hungry bitcoins will lead to a surge in greenhouse gas emissions, dooming the world to global warming, which can go beyond r3r315. The Paris Accords 3r375. .
Why it matters: Bitcoins have a problem with energy, because a lot of electricity is required to process transactions. Climatologists are trying to determine the consequences of such energy use, especially if the popularity of this new currency will grow.
What they did: the study assumes that the use of bitcoins in 2017 released 69 million tons of carbon dioxide into the atmosphere, while processing only ???% of non-cash transactions. They then extrapolate future emissions based on different scenarios for the growth of bitcoin use in the future.
Researchers at the University of Hawaii in Manoa found that Bitcoin may be responsible for greenhouse gas emissions, which will be enough to go beyond the pre-industrial temperature level by 2 ° C in just 11-22 years.
3r360. As noted 3r3338. study
, published in the journal Nature Climate Change, a rather large percentage of mining bitcoin goes in China and other parts of Asia, which are currently seriously dependent on burning coal in the production of electricity. 3r361.  
3r360. Therefore, if Bitcoin will be increasingly used as a cryptocurrency, the authors suggest, emissions will increase dramatically. 3r361.  
But let me. The study makes several dubious assumptions. For example, the authors suggest that the type of fuel used to generate electricity will remain the same as today.
3r360. This assumption ignores the rapid growth in the use of renewable energy throughout the world and the gradual abandonment of CHP plants burning coal in many countries. 3r361.  
3r360. They also did not take into account the likelihood that the mining of bitcoins would move to other countries, potentially moving from countries that rely heavily on coal, such as China, to countries with cleaner energy - to Iceland or the United States. 3r361.  
3r360. Also, it’s difficult to predict the future of a new technology, and many observers expect Bitcoin to be more often used as an investment than a currency. 3r361.  
What we want to say: Eric Mazanet from Northwestern University, an energy modeling specialist, called the new study “fundamentally incorrect”: 3r378.  
Although it is extremely difficult to predict the growing popularity of currencies such as Bitcoin, we know that the global electric power sector is abandoning coal, and that information technology — including mining devices — is becoming more energy efficient. Apparently, the authors looked at these two trends in their predictions, while insisting on an incredible increase in the popularity of cryptocurrencies, which led to bloated and dubious estimates of future carbon emissions.
In the same vein, the researcher Arman Shahabi from the National Laboratory. Lawrence Berkeley
told r3r375. to the journal ThinkProgress, that in the study, scientists leave some factors unchanged, while suggesting a sharp increase in the use of bitcoins. Shahabi noted that mining "has already increased its efficiency by an order of magnitude or more over the past few years."
What we think: the high cost of energy and the impact of climate on mining Bitcoins are real concerns, but the quality of specific predictions depends on the assumptions on which they are based, and these assumptions — the growing popularity of technology, energy sources, application efficiency — are extremely difficult to predict. . 3r3386.
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