Entrepreneurs are racing to repurpose and capitalize on heat that is wasted in cryptocurrency mining. Bitcoin mining generates enough heat annually for Finland's needs, but most goes up into the air, ...

That’s where Carlsson comes in. He’s now helping to heat the homes of 80,000 residents in Finland with waste heat from local cryptocurrency miners, as a part of a project run by his new employer, the ...

One afternoon in June 2024, I stood up against the fence of a sprawling industrial facility a few miles outside of Corsicana, Texas. Over a metal gate, I watched a bright yellow excavator claw at the ...