Clean Up Australia Limited is a not-for-profit Australian environmental conservation organisation registered with the Australian Charities and Not-for-profits Commission. The organisation has sponsored a yearly Clean Up Australia Day since 1990. On the first Sunday of March each year groups of citizens clean up rubbish at different clean up sites across the country. According to the organisation, more than a million people participate each year. Clean Up Australia Limited also supports other environmental efforts, including preventing waste in the environment.