Wind turbines require magnets and magnets require a rare earth metal called neodymium.
What the green zealots and the companies profiting from wind turbines deliberately choose to ignore and conceal is that wind turbines are causing death, serious health problems and pollution in China.
The serious health problems include cancer, osteoporosis and skin and respiratory diseases.
On the outskirts of Baotou there is an immense lake of bubbling toxic waste five miles wide.
This vast, hissing cauldron of chemicals is the dumping ground for seven million tons a year of rare earth residue after it has been processed.