Proof-of-work mining (the type of mining used for Bitcoin and other cryptocurrencies) has some negative environmental impacts… as do the systems behind most other mediums of exchange.
Environment describes a natural system of living and non-living things. In regards to earth the environment is the closed system of earth and all things affecting it.
Factoids tagged with "Environment"
The Coriolis Effect causes air to spin different directions in each Hemisphere. This can only affect large systems like wind and ocean currents.
Both animal-derived and plant-derived food production has consequences, but meat production is worse for the environment in most cases.