The environmental impact of cryptocurrency mining, particularly for Bitcoin, has become a major topic of debate among policymakers and the public. Because the network requires a massive amount of electricity to stay secure, critics argue that it is contributing to climate change. In response, the industry is making a massive push toward green mining. Many large-scale mining operations are now located in areas with an abundance of renewable energy, such as hydroelectric power in Scandinavia or geothermal energy in Iceland. Some miners are even using waste energy, such as flared natural gas from oil fields, to power their machines, which actually reduces the overall carbon footprint. Additionally, the shift toward proof of stake by other major networks has reduced their energy consumption by over ninety-nine percent. The debate is pushing the industry to become one of the most transparent and sustainable sectors in the global economy, as miners seek out the cheapest—and often cleanest—sources of power.