I think BTC indirectly affects our environment.
Miners use electricity for their main purposes, but in comparison with others like: cars, paper, ... It does not habe enormous effect on our environments. In some ways, BTC helps reserve natural resources.
The bitcoin mining industry needs hardware and a lot of power that can damage the environment and the energy that bitcoin miners may consume, finding that the amount of electricity needed is equivalent to the amount of electricity consumed by 1.5 billion households a year and is likely to affect global resources and The use of energy.