Australian metallurgical coal to continue supporting economies

If we piled up the sheer volume of steel, concrete, and other materials that need hydrocarbons for the production of 1GW of on-demand-power through conventional means and compare it to the pile necessary for the production of 1GW on-demand-power we quickly understand that we will have to strip mine much of the planet just to change the power production system. We are not even talking about industrial heat and mobility.