Plastic fantastic - the future of biodegradables

Petroleum-based plastics can take many years to biodegrade which is why they are causing immense amounts of waste. Luckily poly-3-hydroxybutyrate (PHB) is an alternative to harmful plastics since it is biodegradable and is not dependent on fossil resources.  Although PHB has been to expensive to produce it still provides hope for the search of renewable sources of plastics.