The main environmental threat from biodegradable waste is the production of methane in landfills.
There is no green energy produced by systems employing only composting treatment for the biodegradable waste.
Gasification can also begin with material which would otherwise have been disposed of such as biodegradable waste.
It is used as part of the process to treat biodegradable waste and sewage sludge.
In addition, nearly all biodegradable waste has biological origin.
Biomass may also include biodegradable wastes which can be burnt as fuel.
Article 5 requires that the amount of biodegradable waste going to landfill is reduced.
If you produce biodegradable waste you can send it for recycling into compost.
Ash and biodegradable waste must be added regularly to achieve the right carbon nitrogen ratio.
In this respect I believe the amendments on biodegradable waste are crucially important.