Si tras escuchar la palabra “mancha” lo primero que se te viene a la cabeza es un test de psicoanálisis o una marca de detergente, ¡esta es tu charla! Gracias a ella, conocerás las manchas que realmente importan, las que contaminan nuestros mares y océanos, además de adquirir las herramientas para detectarlas y denunciarlas desde la comodidad de tu sofá. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx
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