Banning Plastic Shopping Bags: Raising Environmental Consciousness on National Level

Eco-Impact of Plastic and Paper Shopping Bags

This article describes the study of the eco-impact of plastic and paper bags using the life cycle impact assessment (LCIA) technique under three different options: usage and disposal criteria with the existing usage behavior to reuse and governmental policies to recycle (option1), usage and disposal criteria as per consumers’ perceptions if systems are in place (option2) and usage and disposal ...

Environmental Effect on Biodegradability of Plastic and Paper Bags

Biodegradation refers to the chemical dissolution of materials by microorganisms or other biological means. Biodegradable materials are those that can be consumed by microorganisms whereas biodegradability of a material refers to the ability of that material to be decomposed by biological agents, especially bacteria. Plastics are synthetic or semi – synthetic long chain polymeric molecules that...

Individual and Environmental Predictors on the Use of Plastic Bags among the Vendors of Hadishahr City

Background: Excessive use of plastic bags has become a major problem in the worldwide causing irreparable damages to the environment and humans. The purpose of this study was to identify the individual and environmental factors associated with the use of plastic bags among the vendors of Hadishahr city, Iran. Materials and Methods: This is a cross-sectional study conducted on 400 vendors workin...

Folding Paper Shopping Bags

One of the most ubiquitous examples of origami is the common paper shopping bag. In a common model of paper folding, there are a finite number of creases, between which the paper must stay rigid and flat, as if made of plastic or metal plates connected by hinges. We show that (maybe surprisingly), the paper shopping bag cannot be flattened under this model using the usual pattern of creases. Th...

Plastic Bags: Hazards and Mitigation