Expired or unused medication at people's homes is normally disposed of in normal garbage, sewage system or, in certain cases, returned to the public health system. There is still no specific legislation regarding this ...

Leaf-cutting ants produce large quantities of waste that harbor bacteria and fungi that are harmful to the colony. To be protected from these pathogens, the workers of Atta species present a sophisticated organization to ...

The street lighting management even under an efficient and organised scheme produces waste materials which should be reduced and controlled. In an organised and responsible society this means the necessity to study policies ...