2021 Calendar of Environmental Events
UN Decade of Ocean Science for Sustainable Development 2021 to 2030
International Year of Fruits and Vegetable 2021
January
| 20th | Penguin Awareness Day |
February
| 2nd | World Wetlands Day |
| 10th | World Pulses Day |
| 11th - 12th | International Day of Women & Girls in Science |
March
| 2nd | Business Clean Up Day |
| 2nd - 5th | ABARES Outlook 2021 conference |
| 3rd | World Wildlife Day |
| 5th | Youth and Schools Clean Up Day |
| 6th - 14th | SeaWeek |
| 7th | Clean Up Australia Day |
| 7th - 13th | National Groundwater Awareness Week |
| 7th - 15th | World Parks Week |
| 8th - 14th |
Sustainable Seafood Week |
| 19th | National Ride2School Day |
| 21st | International Day of Forests |
| 22nd | World Water Day |
| 23rd | World Meteorological Day |
| 27th | Earth Hour |
April
| 18th | World Heritage Day |
| 18thApril - 19th May | Australian Heritage Festival |
| 22nd | Earth Day |
| 24th | World Veterinary Day 2021 |
| 25th - 1st May | Water Week |
May
| 2nd - 8th | International Composting Awareness Week |
| 4th - 6th | OZWater'21 |
| 8th | World Migratory Bird Day |
| 11th | Hairy-Nosed Day (Wombat) |
| 17th - 23rd | National Volunteer Week |
| 20th | World Bee Day |
| 22nd | International Day for Biological Diversity |
| 23rd | World Turtle Day |
June
| 5th | World Environment Day |
| 8th | World Oceans Day |
| 15th | Global Wind Day |
| 17th | World Day to Combat Desertification and Drought |
July
| 5th - 12th | NAIDOC Week - postponed |
| 11th | World Population Day |
| 31th | Schools Tree Day |
August
| 2nd | National Tree Day |
| 3rd - 9th | National Landcare Week |
| 14th - 22nd |
National Science Week |
| 16th - 22nd |
Keep Australia Beautiful Week |
| 19th | World Humanitarian Day |
September
October
| 4th - 8th | 3rd World Seabird Conference |
| 5th | World Habitat Day |
| 5th - 11th | Australian Wildlife Week |
| 9th | World Migratory Bird Day |
| 13th | International Day for Disaster Reduction |
| 16th | World Food Day |
| 17th | International Day for the Eradication of Poverty |
| 18th - 24th | National Bird Week |
| 18th - 24th | Aussie Backyard Bird Count |
| 20th | National Ride 2 Work Day |
| 22nd | Wombat Day |
| 24th | United Nations Day |
| 27th | World Day for Audiovisual Heritage |
November
| 1st - 12th | UN Climate Change Conference COP 26 |
| 5th | World Tsunami Awareness Day |
| 8th - 14th | National Recycling Week |
| 10th | World Science Day for Peace and Development |
| 21st | World Fisheries Day |
December
| 5th | World Soil Day |
| 5th | International Volunteer Day |
| 6th - 12th |
Coastcare Week |
| 11th | International Mountain Day |
