"Bitcoin causing carbon dioxide emissions comparable to Las Vegas or Hamburg Hardware and IP addresses analyzed to assess the carbon footprint of the cryptocurrency... The use of Bitcoin causes around 22 megatons in carbon dioxide emissions annually -- comparable to the total emissions of cities such as Las Vegas or Hamburg..." https://www.sciencedaily.com/releases/2019/06/190613104533.htm
Iceland’s data centers are booming—here’s why that’s a problem Bitcoin miners and data scientists love cheap, green Icelandic processing power. Maybe a little too much June 18, 2019 https://www.technologyreview.com/s/...enters-are-booming-heres-why-thats-a-problem/
