Future scenarios for oil and natural gas production and consumption are immensely important, since planet Earth – for the years before and after 2050 – will still be highly dependent on oil and natural gas at 72.5%; but also, very dependent on the behavior of investors when they decide to make energy decisions to sustain the normal development of the world's social and economic progress. The IEA – as the energy arm of the OECD, the economic organization for cooperation and de