Neue Gralewo Photovoltaik-Anlage spart täglich 2,5 Tonnen CO2 ein (WK-intern) - Poland Takes Steps to Decrease CO2 Pollution: New Gralewo Photovoltaic Plant Saves 2,5 tonnes of CO2 daily First stage of large-scale solar project by Sun Investment Group is up and running in Gralewo, Poland. It will provide with amount of solar energy per day that equals 6 hours of daily TV for over 27 years. Poland, the most polluted EU country due to its dependency on coal energy, has just opened a new photovoltaic plant in the village of Gralewo, located in northern Poland. The solar power plant in Gralewo is the first