This passive solar greenhouse is designed to house a productive, edible ecosystem which is also combined
with a variety of other complementary farming techniques such as producing fish and
poultry food from
insects, growing mushrooms from used coffee grounds and growing
poultry, fed from by - products of the system.
Professor Acda is quoted as saying his composite boards, which he hopes to have perfected by the end of the year, would be «resistant to
insect infestation such as termites because the feathers are inedible,» as well as suggesting they'd be less flammable and combustible when compared to conventional cement and wood - fibre composite boards.Seems like he has plenty of raw material to work
with given that the Philippines
poultry industry is said to dump 2.4 million tonnes of feathers annually, mostly through burning and burial.