May
22
12:00 AM00:00
International Day for Biological Diversity
‘Be Part of the Plan’
United Nations International Day for Biological Diversity
May
27
12:00 AM00:00
National Reconciliation Week: May 27 - June 3
‘Bridging Now to Next’
National Reconciliation Week is a time for all Australians to learn about our shared histories, cultures, and achievements, and to explore how each of us can contribute to achieving reconciliation in Australia.
Jun
3
12:00 AM00:00
World Bicycle Day
World Bicycle Day draws attention to the benefits of using the bicycle — a simple, affordable, clean and environmentally fit sustainable means of transportation.
Jun
5
12:00 AM00:00
World Environment Day
‘Beat Plastic Pollution’
World Environment Day is the United Nations’ principal vehicle for encouraging worldwide awareness and action for the environment.
Jun
8
12:00 AM00:00
World Oceans Day
An annual event that serves as a reminder of the critical importance of protecting our oceans and marine life.
Jun
17
12:00 AM00:00
Desertification and Drought Day
World day to promote public awareness of international efforts to combat desertification and drought.
Jul
1
12:00 AM00:00
Plastic Free July: 1st - 31st
Take the challenge and join millions of people reducing their plastic waste.
Jul
6
12:00 AM00:00
National NAIDOC Week: July 6-13
‘The Next Generation: Strength, Vision and Legacy’
Celebrate and recognise the history, culture and achievement of Aboriginal and Torres Strait Islander peoples.
Jul
25
8:00 AM08:00
Schools Tree Day
Schools Tree Day is a great opportunity to inspire and educate future generations on the many benefits of trees and connection with nature.
Jul
27
12:00 AM00:00
National Tree Day
Australia’s largest tree planting and nature care event. Help plant one million native trees.
Aug
4
12:00 AM00:00
National Landcare Week: Aug 4-10
Landcare Week is an annual celebration of landcare held during the first week of August to acknowledge the Australians who are actively restoring, enhancing and protecting the natural environment in their community.
Aug
9
12:00 AM00:00
National Science Week: Aug 9-17
The 2025 theme ‘Decoding the Universe: Exploring the unknown with nature’s hidden language’ invites students and teachers across Australia to delve into the mysteries of the Universe.
Aug
27
12:00 AM00:00
World Lake Day
Conserve, protect and restore. Protecting lakes today for sustaining life tomorrow.
Sep
1
12:00 AM00:00
Sep
2
12:00 AM00:00
Biodiversity Month: 1st - 30th
Celebrate Biodiversity Month and promote the importance of connecting with nature and caring for nature in all its diversity.
Sep
5
12:30 AM00:30
Sep
7
12:00 AM00:00
National Threatened Species Day
A day to commemorate almost 2000 Australian plant and animal species that are listed as ‘threatened’.
Sep
14
12:00 AM00:00
Sep
15
12:00 PM12:00
National Organic Week: Sept 15-21
Taste the Difference, Feel the Difference, Make a Difference.
Increasing awareness of the benefits or organic products and farming production systems.
Sep
21
12:00 AM00:00
World Rivers Day
A day to raise awareness about the importance of rivers and encourage their stewardship.
Sep
22
12:00 AM00:00
World Car Free Day
A day to highlight that we don’t have to accept our car-dominated society.
Sep
26
12:00 AM00:00
Sep
29
12:00 AM00:00
Food Loss and Waste Reduction Day
United Nations International Day of Awareness on Food Loss and Waste Reduction
Oct
1
12:00 AM00:00
Buy Nothing New Month: Oct 1 - 31
Buy nothing for a better future, bigger bank balance, healthier people and a happier planet.
Oct
2
12:00 AM00:00
Australian Wildlife Week Oct 1 - 6
Established by the Australian Wildlife Society, a week to encourage a positive relationship between humanity and nature.
Oct
11
12:00 AM00:00
Oct
15
12:30 AM00:30
Ride to Work Day
National Ride2Work Day
Ride2Work helps everyday people to jump on a bike and get active on their way to work.
Oct
20
12:00 AM00:00
Aussie Bird Count Oct 20 - 26
BirdLife Australia 2025 Aussie Bird Count
The Aussie Bird Count aims to engage school communities in the natural world while getting to know the birds in their local schoolyard through participation in a simple, fun, all-ages activity that can be done anywhere.
Oct
22
12:00 AM00:00
National Water Week Oct 20 - 26
Inspiring individuals, communities, schools and organisations to promote the importance of water.
Oct
24
12:00 AM00:00
Great Southern BioBlitz Oct 24 - 27
An opportunity for all Southern Hemisphere countries to record organisms using the iNaturalist platform.
Nov
1
12:00 AM00:00
Sustainability in Schools Month: Nov 1 - 30
Join Sustainability Victoria for a range of activities and events throughout November.
Nov
6
9:00 AM09:00
Outdoor Classroom Day
A global movement to make time outdoors part of every child’s day.
Nov
7
12:00 AM00:00
Frog ID Week: Nov 7 - 16
FrogID Week, hosted by the Australian Museum, is Australia's biggest frog count. Held annually, it's when anyone with a smartphone can help record frog calls through the free FrogID app as a measurement of frog health and distribution around the country.
Nov
8
12:00 AM00:00
Australian Pollinator Week: Nov 8 - 16
Raise awareness of the importance of pollinators and support their needs.
Nov
10
12:00 AM00:00
National Recycling Week: Nov 10-16
Get involved with resources, tools, and events that will help your sustainable impact. Let’s keep valuable materials in use and out of landfill.
Nov
26
12:00 AM00:00
World Sustainable Transport Day
Recognizing the important role of safe, affordable, accessible and sustainable transport systems for all in supporting sustainable economic growth, improving the social welfare of people and enhancing international cooperation and trade among countries,
Dec
1
12:00 AM00:00
National Coastcare Week: Dec 1-7
Coastcare Week is an annual campaign celebrated during the first week of December that acknowledges the Australians who are actively restoring, enhancing and protecting the coastline, waterways, habitat and biodiversity of their community.
Dec
5
9:00 AM09:00
World Soil Day
Focus attention on the importance of healthy soil and to advocate for the sustainable management of soil resources.
Dec
11
9:00 AM09:00
International Mountain Day
Create awareness about the importance of mountains to life, to highlight the opportunities and constraints in mountain development, and to build alliances that will bring positive change to mountain peoples and environments around the world.
Jan
26
9:00 AM09:00
International Day of Clean Energy
Raise awareness and mobilize action for a just and inclusive transition to clean energy for the benefitr of people and the planet.
Feb
2
9:00 AM09:00
World Wetlands Day
Raise awareness about wetlands in order to reverse their rapid loss and encourage actions to conserve and restore them.
May
20
12:30 AM00:30
World Bee Day - Australia
World Bee Day raises awareness of the importance of protecting bees and other pollinators, the threats they have and their contribution to a sustainable future.
May
16
8:00 AM08:00
National Walk Safely to School Day
Annual event where all primary and secondary students are encouraged to walk and commute safely to school.
May
10
12:00 AM00:00
May
8
9:00 AM09:00
Outdoor Classroom Day
A global movement to make time outdoors part of every child’s day.
May
5
12:00 AM00:00
International Composting Awareness Week: May 5 - 11
Better Soil, Better Life, Better Future
May
4
12:00 AM00:00
Apr
22
12:00 AM00:00
Apr
2
12:00 AM00:00
Nature Play Week: April 2-8
Encouraging simple play opportunities in the natural environment.
Mar
30
12:00 AM00:00
Zero Waste Day
International Day of Zero Waste
Towards zero waste in fashion and textiles.
Mar
23
12:00 AM00:00
Mar
22
12:00 AM00:00
Mar
21
12:00 AM00:00
International Day of Forests
The Day celebrates and raises awareness of the importance of all types of forest. In 2025, forests and food is the theme for the day, celebrating the crucial role of forests in food security, nutrition and livelihoods.
Mar
4
10:00 AM10:00
Sea Week: March 2 - 10
SeaWeek is Australia’s major national public awareness campaign to focus community awareness, provide information and encourage an appreciation for the sea.
Mar
3
12:00 AM00:00
World Wildlife Day
An opportunity to celebrate the many beautiful and varied forms of wild fauna and flora, to raise awareness of their many benefits to reminds us of the urgent need to step up the fight against wildlife crime and human-induced reduction of species, which have wide-ranging economic, environmental and social impacts.
Mar
2
12:00 AM00:00
Clean Up Australia Day
Clean Up Australia inspires and mobilises communities to improve and conserve our environment, eliminate litter and end waste.
Sep
17
12:00 AM00:00
May
23
9:00 AM09:00
May
20
12:00 AM00:00
May
5
to May 9
Oct
14
12:30 AM00:30
World Migratory Bird Day
This day highlights the need for conservation of migratory birds and their habitats.
The theme for 2023 is Focus on Water
The day is celebrated on 13 May and 14 October
Find out more here.
Jun
5
1:00 AM01:00
World Environment Day
What action can you take to make the World more sustainable?
Find out more here.
May
22
12:30 AM00:30
International Day for Biological Diversity
Preserving the World’s Biodiversity - find out more here.
May
20
12:30 AM00:30
World Bee Day - Australia
Lots of resources to find out why bees are critical to human survival.
Who can resist the Waggle Dance Challenge?
FInd out more here.
May
13
12:30 AM00:30
World Migratory Bird Day
This day highlights the need for conservation of migratory birds and their habitats.
The theme for 2023 is Focus on Water
The day is celebrated on 13 May and 14 October
Find out more here.
May
7
to May 13
International Composting Awareness Week
Find out everything you’ve ever wanted to know about Compost and growing healthy food.