Green Energy Reality Check It s Not as Clean as You Think
09 07 2021 · For example building a single 100 MW wind farm— never mind thousands of them—requires some 30 000 tons of iron ore and 50 000 tons of concrete as well as 900 tons of nonrecyclable plastics for the huge blades With solar hardware the tonnage in cement steel and glass is 150% greater than for wind for the same energy output