Explore key dates and events in 2021.
January
- Penguin Awareness Day (20 January)
- Future Sustainability Summit (18 to 20 January 2021)
- Australia Day (26 January)
February
- World Wetlands Day (2 February)
- World Pulses Day (10 February)
- International Day of Women & Girls in Science (11 to 12 February)
March
- Business Clean Up Day (2 March)
- ABARES Outlook 2021 conference (2 to 5 March)
- World Wildlife Day (3 March)
- Youth and Schools Clean Up Day (5 March)
- SeaWeek (6 to 14 March 2021)
- World Parks Week (6 to 14 March)
- Clean Up Australia Day (7 March)
- National Groundwater Awareness Week (7 to 13 March)
- Sustainable Seafood Week (8 to 14 March)
- National Ride2School Day (19 March)
- International Day of Forests (21 March)
- World Water Day (22 March)
- World Meteorological Day (23 March)
- Earth Hour (28 March)
April
- Sydney Royal Easter Show (1 to 12 April)
- World Heritage Day (International Day for Monuments and Sites) (18 April)
- Australian Heritage Festival (18 April to 19 May)
- Earth Day (22 April)
- World Veterinary Day 2021 (24 April) (last Saturday in April)
- World Malaria Day (25 April)
- National Sustainability Conference (27 to 28 April, TBC)
May
- World Tuna Day (2 May)
- Beef Australia 2021 (2 to 8 May)
- International Composting Awareness Week (2 to 8 May)
- OZWater'20 (4 to 6 May)
- World Migratory Bird Day (8 May 2021, TBC)
- Hairy-Nosed Day (Wombat) (11 May)
- National Volunteer Week (17 to 23 May)
- World Bee Day (20 May)
- International Day for Biological Diversity (22 May)
- World Turtle Day (23 May)
June
- World Environment Day (5 June)
- International Day for the Fight against Illegal, Unreported and Unregulated Fishing (5 June)
- World Food Safety Day (7 June)
- World Oceans Day (8 June)
- World Day to Combat Desertification and Drought (17 June)
- Sustainable Gastronomy Day (18 June)
- Whole Grain Week (21 to 27 June)
July
- Plastic Free July
- World Zoonoses Day (6 July)
- World Mangrove Day (International Day for the Conservation of the Mangrove Ecosystem) (26 July)
- Schools Tree Day (30 July)
- World Ranger Day (31 July)
August
- Platypus month
- National Tree Day (1 August)
- Landcare week (4 to 6 August)
- National Science Week (14 to 22 August)
- Keep Australia Beautiful Week (16 to 22 August)
- World Humanitarian Day (19 August)
September
- National Biodiversity Month
- National Wattle Day (1 September)
- National Walk to Work Day (4 September)
- Australasian Seed Science Conference (5 to 9 September)
- National Threatened Species Day (7 September)
- Bushcares Major Day Out – BMDO (11 September, TBC)
- National Bilby Day (12 September)
- International Day for the Preservation of the Ozone Layer (16 September)
- National Organic Week (20 to 26 September)
- World Car-Free Day (22 September)
- World Rivers Day (26 September)
- World Rabies Day (28 September)
- International Day of Awareness on Food Loss and Waste Reduction (29 September)
- World Maritime Day (30 September)
October
- Australian Wildlife Week (4 to 8 October)
- World Habitat Day (4 October)
- 3rd World Seabird Conference (4 to 8 October)
- World Cotton Day (7 October)
- World Egg Day (8 October)
- World Migratory Bird Day (9 October, part 2)
- International Day for Disaster Reduction (13 October)
- International Day of Rural Women (15 October)
- World Food Day (16 October)
- International Day for the Eradication of Poverty (17 October)
- Australian Agronomy Conference (17 to 21 October)
- Gone Fishing Day (Sunday 17 October TBC)
- National Bird Week (18 to 24 October)
- Aussie Backyard Bird Count (18 to 24 October)
- National Water Week (18 to 24 October)
- National Ride 2 Work Day (20 October)
- Enviroweek (20 to 26 October, TBC)
- Australian National Field Days (ANFD) (21 to 23 October)
- Wombat Day (22 October)
- United Nations Day (24 October)
- World Day for Audiovisual Heritage (27 October)
November
- UN Climate Change Conference COP 26 (1 to 12 November 2021)
- World Tsunami Awareness Day (5 November)
- Pollinator Week (7 to 14 November, TBC)
- National Recycling Week (8 to 14 November)
- World Science Day for Peace and Development (10 November)
- World Antibiotic Awareness Week (18 to 24 November)
- World Toilet Day (19 November)
- National Agriculture Day (19 November)
- World Fisheries Day (21 November)
- World Olive Tree Day (26 November)
December
- World Soil Day (5 December)
- International Volunteer Day (5 December)
- Coastcare Week (6 to 12 December)
- International Mountain Day (11 December)
Years and Decades:
UN Decade of Ocean Science for Sustainable Development 2021 to 2030
International Year of Fruits and Vegetables 2021
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