Following on from Tuesday’s article on the massive 336‑MW data centre campus planned for Melbourne, which would operate with dozens of diesel generators, it is worth examining the global leader in data centres – the United States – to see what the future may hold. Tom’s Hardware published an alarming report on a new Amazon data centre, which is set to become the single largest source of environmental pollution in the US. Amazon already operates the most data centres in the world and is reportedly building a 7.65GW natural gas power plant with 35 gas turbines in Pecos County, Texas, to power its new data centre at the same site.