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IT Energy

2022


Predictions in energy and computing

Is it a good idea to make predictions about future energy consumption? Even mature public businesses typically only issue earnings guidance for the next quarter. Maybe it’s because predicting the future is hard?

How much energy does cryptocurrency use?

Is cryptocurrency / Bitcoin bad for the environment? In 2019 crypto consumed 70-90 TWh of electricity globally, with 60-70 TWh of that from Bitcoin mining. What that means for carbon emissions depends on where the mining happens.

2021


Dirty data? Carbon footprint of photo storage

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An example of poor quality research with flawed assumptions designed as click-bait to get news coverage timed to land during COP26. Deleting a few photos will have zero impact on your carbon footprint.

What is sustainable computing?

Sustainable computing concerns the consumption of computing resources in a way that means such usage has a net zero impact on the environment.