1. Identify one internal information source and one external information source that can be used to identify sustainability improvements that a company could make. For each source, explain how this source can be used to develop the sustainability policy. 2. Outline the purpose and scope of the Environment Protection and Biodiversity Conservation Act 1999 (EPBC Act). Give an example of how a business would have to modify its business practices to conform to this legislation. 3. Outline the purpose and scope of the National Greenhouse and Energy Reporting Scheme. Give an example of how a business would have to modify its business practices to conform to these regulations. 4. Describe how complying with the Australian Packaging Covenant voluntary code of practice could affect the way a company does business. 5. Describe how complying with the Australian Ecolabel Program voluntary code of practice could affect the way a company does business. 6. List at least four environmental and resource sustainability measurements that a company could use to establish sustainability benchmarks. 7. Describe three purchasing approaches that can contribute to sustainable work practices. 8. Give an example of a supply chain consideration that can contribute to sustainable work practices. 9. Describe how a business can use sustainability indicators to measure quality assurance.