This work consists of presenting the reduction of pollution levels in the cities of Spain due to the lower use of transport in the covid pandemic. This topic seems very interesting to me because pollution is a very important issue actually

Shared By: Alejandro Pujalte Torregrosa
Source: https://es.greenpeace.org/es/noticias/asi-ha-bajado-la-contaminacion-durante-el-estado-de-alarma-por-el-coronavirus/
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