Sustainability Education Calendar (2021-2022)
| 1-28 February 2021 | National Sustainable Living Festival | Sustainable Living Foundation |
| 2 February 2021 | World Wetlands Day | |
| 11 February 2021 | International Day of Women & Girls in Science | Royal Academy of Science International Trust |
| 27 February 2021 | dirtgirlworld NOW! – Live Stream | dirtgirlworld |
| 2 March 2021 | Business Clean-up Day | 1800 CUA DAY |
| 5 March 2021 | Schools/Youth Clean-up Day | 1800 CUA DAY |
| 7 March 2021 | Clean Up Australia Day | 1800 CUA Day |
| 19 March 2021 | Ride2School Day | |
| 17-23 March 2021 | National Volunteer Week |
Give a little. Change a lot |
| 21 March 2021 | World Forestry Day | |
| 22 March 2021 | World Water Day | |
| 23 March 2021 | World Meteorological Day | |
| 27 March 2021 | Earth Hour |
World Wildlife Fund Earth Hour
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| 18 April 2021 | World Heritage Day | |
| 2-8 May 2021 | International Composting Awareness Week (ICAW) |
Better Soil, Better Life, Better Future |
| 14 May 2021 | Walk Safely to School Day | Pedestrian Council of Australia |
| 27 May 2021 | National Reconciliation Week |
In This Together |
| 5 June 2021 | World Environment Day | |
| 8 June 2021 | World Oceans Day | |
| 15 June 2021 | Global Wind Day | |
| 1-31 July 2021 | Plastic Free July | |
| 4-11 July 2021 | NAIDOC Week |
Always Was, Always Will Be |
| 30 July 2021 | Schools Tree Day | |
| 31 July 2021 | World Ranger Day | |
| 1 August 2021 | National Tree Day | |
| 16-22 August 2021 | Keep Australia Beautiful Week | |
| TBA 2021 | Record Wombats in Your Local Area | |
| 1-30 September 2021 | National Biodiversity Month | |
| 1-30 September 2021 | Save the Koala Month | Australian Koala Foundation |
| 3 September 2021 | Walk to Work Day | Diabetes Australia Walk to Work Day |
| 5-9 September 2021 | Australasian Seed Science Conference | Australian Seed Bank Partnership |
| 7 September 2021 | National Threatened Species Day | Department of Agriculture, Water and the Environment |
| 7-13 September 2021 | National Organic Week | |
| 12 September 2021 | National Bilby Day | |
| 16 September 2021 | International Day for the Preservation of the Ozone Layer | United Nations |
| 20 September 2021 | Sustainable House Day | |
| 5 October 2021 | World Habitat Day | |
| 16 October 2021 | National Ride to Work Day | |
| 21-27 October 2021 | Cool Australia’s Enviroweek | |
| 18-24 October 2021 | Aussie Backyard Bird Count | Birdlife Australia |
| 1-12 November 2021 | COP26 – Glasgow Climate Change Conference | United Nations Climate Change |
| 5 November 2021 | World Tsunami Awareness Day | United Nations |
| 9-15 November 2021 | National Recycling Week | Planet Ark National Recycling Week |
| 21 November 2021 | World Fisheries Day | World Fisheries Day |
| 10 December 2021 | International Human Rights Day | United Nations Human Rights |
| 11 December 2021 | International Mountain Day | |
| 17-19 January 2022 | Future Sustainability Summit |
