What potential environmental concerns are associated with blockchain, especially in Proof of Work networks?

[hendrix]

What potential environmental concerns are associated with blockchain, especially in Proof of Work networks?

[hendrix]

I want honest takes, I’m writing an article for a paper

[darsh747]

I think that is very good ,thanks

[artespraticas]

Excessive energetic use but how many activities are even worst and less important!? best to all.