<https://www.ecoblog.it/post/4380/pompe-di-acqua-fredda-oceanica-idea-per-il-clima#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.ecoblog.it/post/4380/pompe-di-acqua-fredda-oceanica-idea-per-il-clima>