Super Cool Biz show
Media playback is unsupported on your device

Japanese workers urged to dress down to save electricity

Japan's government wants the country's office workers to shed their suits in an attempt to use less energy on air conditioning systems this summer.

The idea for summer officewear was first introduced in 2005 by the then environment minister, Yuriko Koike.

The BBC's Roland Buerk reports.

Go to next video: Brief return for Fukushima residents