A floating platform for a wind turbine comprising a vertically arranged support; a toroidal body arranged horizontally and coaxially around said support; a plurality of connection elements which extends radially to connect the support to the toroidal body, wherein at least one of the support, the toroidal body and the connection elements is made of a natural fibre reinforced composite material and all elements can be adhesively bonded to each other; a system using said platform and combining wind-powered hydrolysis and green hydrogen production and storage is also described.