As with many things in life, people always want simple answers to questions, even when reality isn’t simple at all. Is Bitcoin bad for the environment? The simple answer is no. But the reality is far more complicated.
Bitcoin is different because there is more certainty than there is with anything else. That being said, there are off course no guarantees. Life itself is uncertain. But what the creator(s) of Bitcoin did was to to take as much uncertainty out of the monetary equation as possible.