1. Change U. COP 21 [Internet]. Unfccc.int. 2016 [cited 25 May 2016]. Available from: http://unfccc.int/meetings/paris_nov_2015/session/9057/php/view/reports.php.
2. European Commission - Press release - Towards Energy Union: The Commission presents sustainable energy security package [Internet]. Europa.eu. 2016 [cited 25 October 2016]. Available from: http://europa.eu/rapid/press-release_IP-16-307_en.htm.
3. The 2030 climate and energy framework - Consilium [Internet]. Consilium.europa.eu. 2016 [cited 10 March 2016]. Available from: http://www.consilium.europa.eu/en/policies/climate-change/2030-climate-and-energy-framework/.
4. A Smart City Initiative: the Case of Barcelona;Bakıcı;Journal of the Knowledge Economy.,2012
5. Urban environment — European Environment Agency [Internet]. Eea.europa.eu. 2016 [cited 16 April 2016]. Available from:. http://www.eea.europa.eu/themes/urban/intro.