"A major concern among our people is the use of general green waste because it is not clear what exactly is in it."
In the garden, 99% of green waste is recycled on site.
It presently handles about half of the island's garbage and green waste.
All green waste is collected for composting off site, which costs less than disposal to landfill.
Collect all green waste from the production process and send it for off-site composting.
Australia's first green waste to energy power plant is operating at Stapylton.
The Rotopress design remains popular due to its niche in being able to effectively deal with green waste for composting.
The use of "green waste" in developing countries is attractive for several reasons.
A large composting facility opened on the site in 2006, allowing green and kitchen waste from local homes to be converted into compost.
The green waste left over from the algae oil extraction can be used to produce butanol.