Some said Bitcoin mining would ruin evoirnment, while others said it can prevent the environment from being ruined. Take climate change for an example, by using methane produced from landfills and the oil field that would otherwise be flared, bitcoin mining can help reduce 0.15°C of global warming. By using methane produced from landfills and the oil field that would otherwise be flared, bitcoin mining can help reduce 0.15°C of global warming.But slove it? Don't think so. It's like the difference between "try to" and "manage to". Bitcoin mining can ease climate change but not solve it.