Similar problems have occurred frequently around the world, and to maintain international justice, in 1989 the "Basel Convention on the Control of Trans boundary Movements of Hazardous Wastes and Their Disposal" was passed in Basel, Switzerland under the auspices of the United Nations Environment Programme (UNEP). To date 121 countries have signed the convention.
諸如此類的問題，在國際間層出不窮，為了維護國際正義，一九八九年聯合國環境規劃署在瑞士巴塞爾通過「巴塞爾公約」，目前已經有一百二十一個國家簽署。