If you want to separate your waste into organic and inorganic, it is best to store the organic waste outside. Dutch researchers have discovered that pure organic waste attracts far higher levels of bacteria and moulds which, when they die, emit endotoxins which can trigger coughing, breathlessness, flu-like symptoms and asthma. Where pure organic bins are left for three weeks before emptying they emit three times the levels of endotoxins than mixed waste bins.

Ed.- If you are unable to store your organic waste outside, the next best solution is to empty it at least once a week.

But see Worms to the rescue for an indoors solution