2025-04-20T09:34:59Z https://www.classroom20.com/video/video/listForLocation?rss=yes&xn_auth=no&location=Mdrid+Spain+Europe tag:www.classroom20.com,2009-04-07:649749:Video:322514 2009-04-07T06:09:49.433Z Luis Lizama https://www.classroom20.com/profile/LuisLizama

<a href="https://www.classroom20.com/video/lets-save-energy"><br /> <img src="https://storage.ning.com/topology/rest/1.0/file/get/1940672394?profile=original&amp;width=128&amp;height=96" width="128" height="96" alt="Thumbnail" /><br /> </a><br />Dear Colleagues,<br /> Is a competition that I am organizing in Spain and Europe to teach at schools and families howto save energy and promote the sustainable energy in the society.

<a href="https://www.classroom20.com/video/lets-save-energy"><br /> <img src="https://storage.ning.com/topology/rest/1.0/file/get/1940672394?profile=original&amp;width=128&amp;height=96" width="128" height="96" alt="Thumbnail" /><br /> </a><br />Dear Colleagues,<br /> Is a competition that I am organizing in Spain and Europe to teach at schools and families howto save energy and promote the sustainable energy in the society.