FROM RIO TO JOHANNESBURG AND BEYOND - THE LONG MARCH TOWARDS SUSTAINABILITY D Osborn Clean Air Journal · Volume 13, Issue 1 (2003) DOI: 10.17159/caj/2003/13/1.7148 Abstract No abstract Article information Published3 June 2003 Languageen PublisherAcademy of Science of South Africa LicenseNo license URL DOI10.17159/caj/2003/13/1.7148 Journal ISSN1017-1703; 2410-972X