We often think of “green” inventions as those that utilize alternative energy or that reduce waste. However, green ideas include those that, on the surface, appear merely to provide a convenience or serve some aesthetic desire.
How does a simple bread bag clip make the list of eco-inventions, for example? Since it replaced (decades ago) the twist tie, each consumes non-renewable materials. Yet, the clip, initially, was made from scrap material. It’s evolution has led it into the
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