1. Climate Actionhttps://ec.europa.eu/clima/policies/international/negotiations/paris_en
2. IEA COP21http://www.iea.org/cop21/
3. Energy supply;Sims,2007
4. Energy Efficiencyhttps://ec.europa.eu/energy/en/topics/energy-efficiency
5. Code of Conduct for Energy Efficiency in Data Centreshttps://ec.europa.eu/jrc/en/energy-efficiency/code-conduct/datacentres