THE Business Council for Sustainable Development (BCSD), under the leadership of Swiss industrialist Stephan Schmidheiny, has submitted its report on environment and development Changing Course: The Report of the Business Council for Sustainable Development - to the United Nations. The signatories to the report, chiefs of 48 of the world's large companies, acknowledge that sustainable development makes good business sense as it can create competitive advantages and new ways of doing business. The report also gives the where and how of the contribution business will make to sustainable development which, in their terms, means making a little go a long way and allowing whatever has been exploited some time to regenerate.