SHANGHAI: The public has been urged to participate in the city's green drive efforts as part of the green guidelines for the forthcoming World Expo released yesterday.

A joint effort of the Shanghai Expo organizers and UNEP, or United Nations Environment Program, the Green Guidelines for the Shanghai 2010 World Expo outline a wide range of principles and solutions on how to apply green ideas for the event.

"For the sake of our planet, the Shanghai Expo should be green and will be green," Wang Zhijia, special coordinator at UNEP's Division for Regional Cooperation, said at yesterday's press conference held for the release of the guidelines.