Report 2000 words (excluding references, figures and tables) 1. Provide the range of environmental issues potentially arising from electricity supply and use, and methods for assessing them. 
 2. Identify priorities amongst these issues in the context of wider sustainability objectives. 
 3. Describe our technical options for addressing key environmental and wider sustainability issues, in particular the challenges of climate change.. 
 4. Establish priorities for these options through a multi-disciplinary technology assessment framework and incorporate them into sustainable energy scenarios. 
 5. Assess the effectiveness of current and proposed Australian energy and climate policies in driving the electricity industry towards more sustainable outcomes, with particular climate change.