1.   These fungal growths are feeding on decomposing organic matter, so I take that as a good sign.

2.   To keep the smell of decomposing matter from permeating the whole house, the pots contain an activated charcoal filter in the lid.

3.   Liquid waste from the decomposing matter will be channelled into a screening plant before being released into the sea.

4.   Methane gas is a colorless, odorless flammable gas produced by decomposing organic matter in mines.

5.   Methane gas is a colorless, odorless, flammable gas produced by decomposing organic matter in mines.