> It's not toxic or hazardous, except when it's freshly shattered, but these super sharp edges weather relatively quickly, after which they aren't any sharper t

> It's not toxic or hazardous, except when it's freshly shattered, but these super sharp edges weather relatively quickly, after which they aren't any sharper than natural found rock. Glass actually takes a long time to lose its sharp edge unless it's dumped in a river or the ocean, which is in fact a great way to dispose of glass. There really is no better way to dispose of garbage than dumping glass in the ocean... returning silica to its source in a way that doesn't look bad.