That's not rubbish!
Australian artist Sean Avery has made a name for himself recycling man-made material, including broken CDs to create beautiful sculptures.
Some of these have been bought by Ripley's Believe It or Not! to display in their Baltimore and Hollywood museum - wow! that's pretty impressive.
Maybe you've got some crafty ideas for using stuff that would usually be thrown away...
We asked Australian students to make a video or convince us in writing about their BIG ideas for a sustainable energy future.
Check out the fantastic videos we received, all about sustainable energy solutions!VIEW THE GALLERY OF ENTRIES
Explore the fascinating science edging us closer to low carbon living. This fun, flexible project includes easy-to-use ICT, oodles of resources and FREE lesson plans from CSIRO Education.
Links to Australian curriculum, plus NAPLAN rehearsal.Find out more