I’m trying to imagine a replacement for plastic, so much garbage in the world today. Perhaps 3d printing can help? To re-use materials and also stuff that can biodegrade. If we don’t do something soon the whole planet will become a giant garbage tip, even now we can see it. Often there is homeless people hunting through refuse, so many issues today and garbage is just the ‘tip’ of the iceberg… Perhaps the biggest problem facing humanity is extinction through global warming.

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