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simurdiera is following worldbank 2 years ago

simurdiera added 15 Ventajas de la hidroponía published by EcoSiglos and designed by Silvio Sanchez Arango 2 years ago

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simurdiera is following Environment 2 years ago

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simurdiera is following Health 2 years ago

simurdiera is following Computers 2 years ago

simurdiera added Guía Práctica de Reciclaje published by EcoSiglos and designed by Silvio Sanchez Arango 2 years ago

simurdiera added 100 Pasos para una vida más ecológica published by EcoSiglos and designed by SilvitoRex 3 years ago

Silvio Sánchez Arango

simurdiera
Bogotá, Colombia
Fundador y Director de EcoSiglos, blog sobre ecotecnologías y energía renovable.