Gothenburg, Sweden -- Consumption of plastic bags in China dropped by half when stores starting charging consumers for them, a Swedish study says.
Research by the University of Gothenburg showed the Chinese, the No. 1 consumers of plastic bags in the world, cut their use of them by half after a June 2008 ordinance against free plastic bags took effect.
Plastic bags is a growing global environmental problem and are becoming subject to various regulations in an growing number of countries with mixed results, a university release said.
University doctoral student Haoran He studied the effect of the Chinese ordinance as part of his thesis in environmental and behavioral economics.