Question

why poly bags are banned???

Answer 1

HERE IS YOUR ANSWER........
.. A strict ban was introduced in Bangladesh in 2002 after floods caused by littered plastic bags submerged two-thirds of the country in water between 1988 and 1998. Plastic bagsremain a big problem for sewerage system and waterways.

Answer 2

Poly bags are banned because they are very harmful for us as well as for our mother earth.
Chlorinated plastic can release harmfulchemicals into the surrounding soil, which can then seep into groundwater or other surrounding water sources and also the ecosystem. This can cause serious harm to the species that drink the water.