1. Study on Photovoltaic Panels Supplementing the Impact Assessment for a Recast of the WEEE Directivehttp://ec.europa.eu/environment/waste/weee/pdf/Study%20on%20PVs%20Bio%20final.pdf
2. Solar Panel Efficiency and Lifespanhttp://solarenergyforus.com/solar-panel-efficiency-lifespan
3. Impatto ambientale dei rifiuti fotovoltaici;Tammaro;Energia Ambiente Innovazione,2014
4. Energy Roadmap 2050http://eur-lex.europa.eu/
5. 2020 Climate & Energy Packagehttps://ec.europa.eu/clima/policies/strategies/2020_en