Zero energy system Vatican City

The Holy See is aiming to reduce its environment impact by embracing renewable energy sources, with the goal of zero emissions by 2050.. The Holy See is aiming to reduce its environment impact by embracing renewable energy sources, with the goal of zero emissions by 2050.. Pope Francis appointed two special commissioners to start work on building an agrivoltaic system on a Vatican property outside of Rome that could supply the whole of Vatican City's energy needs. [pdf]