This is the full 12 month sustainability calendar, showing all sustainability and environment observances, holidays and days of action. I’ll keep this page current, but if you’re aware of any date changes or postponements, let me know! Are you aware of a day that I’ve missed? Let me know!
Saturday, 16 July: World Snake Day
Sunday, 24 July to Monday, 8 August: National Marine Week in the UK
Thursday, 28 July: World Nature Conservation Day
Friday, 29 July to Friday, 5 August: Love Parks Week in the UK
Friday, 29 July: International Tiger Day
August ’22 (dates to be confirmed)
Monday, 8 to Sunday, 14 August: National Allotments Week in the UK
Friday, 12 August:
Saturday, 13 August: International wolf Day
Friday, 19 August: International Orangutan Day
Saturday, 20 August: National Honey Bee Day in the US
Friday, 26 August: World African Wild Dog Day
Tuesday, 30 August: International Whale Shark Day
September ‘22 (dates to be confirmed)
All month: Organic September in the UK
Thursday, 1 September: Japan Dolphins Day
Saturday, 3 September (first Saturday of September): International Vulture Awareness Day
Monday, 5 September: Amazon Day (International),
Friday, 16 September:
- International Day for the Preservation of the Ozone Layer
- (third Friday in September): PARK(ing) Day (International)
Friday, 16 to Sunday, 25 September: The Great British Beach Clean
Saturday, 17 September:
- (third Saturday in September) World CleanUp Day
- (third Saturday in September) International Red Panda Day
Sunday, 18 September: World Water Monitoring Day
Sunday, 18 to Saturday, 24 September: (Third week in September): National Indoor Plant Week in the US.
Monday, 19 to Sunday, 25 September: Recycle Week in the UK
Wednesday, 21 September: Zero Emissions Day (international)
Thursday, 22 September: World Car Free Day
FSC Friday (Forest Stewardship Council)
World Environmental Health Day¹
(Fourth Sunday in September) World Rivers Day
Vernal Equinox
October ’22 (dates to be confirmed)
All month: Unblocktober (?)
All month: International Walk to School Month (international)
World Vegetarian Day (international)
World Farm Animals Day
(first Monday in October): World Habitat Day (international)
World Animal Day (international)
No Disposable Cup Day (UK)
(first Wednesday in October): Energy Efficiency Day (?)
National Badger Day (UK)
National Clean Air Day (UK) and International Clean Air Day
World Migratory Bird Day (Central and Southern America, Caribbean – see also May)
International Day for Natural Disaster Reduction
International E-Waste Day
World Food Day
International Day for the Eradication of Poverty
World Okapi Day
International Sloth Day
Reptile Awareness Day (?)
(fourth Wednesday in October): Sustainability Day (?)
International Wombat Day
International Snow Leopard Day
Freshwater Dolphin Day
International Gibbon Day
International Day of Climate Action
(last Friday in October): World Lemur Day
November ’22 (dates to be confirmed)
All month: World Vegan Month (international)
World Vegan Day
International Day for Preventing the Exploitation of the Environment in War and Armed Conflict
(First Saturday in November): National Bison Day
America Recycles Day
World Fisheries Day
International Jaguar Day
December ’22 (dates to be confirmed)
International Cheetah Day
World Soil Day (international)
International Animal Rights Day (international)
International Mountain Day
Monkey Day
Winter Solstice
January ’23 (dates to be confirmed)
All month:
- Veganuary (UK) – see also World Vegan Month and World Vegan Day, both in November
- Big Energy Saving Winter (UK)
- Walk Your Dog Month (international)
National Bird Day (US) – see also World Migratory Bird Day in May and October
Houseplant Week (UK) – see also National Indoor Plant Week in September
Martin Luther King Jr. Day in the US.
Penguin Awareness Day (International)
Squirrel Appreciation Day (international) and Red Squirrel Day (UK)
World Environmental Education Day
International Zebra Day
February ’23 (dates to be confirmed)
Student Volunteering Week in the UK
World Hippopotamus Day
Random Acts of Kindness Day (international)
(third Saturday in February): World Pangolin Day
World Whale Day
Fairtrade Fortnight in the UK
International Mother Language Day
March ’23 (dates to be confirmed)
Fifth session of the United Nations Environment Assembly
International Day of Action for Rivers (see also World Rivers Day in September)
Buzzards Day (no link)
Panda Day (no link) (see also International Red Panda Day in September)
Global Recycling Day (see also Recycle Week in October and America Recycles Day in November)
World Frog Day (no link)
International Day of Forests and World Wood Day and World Planting Day (no link) (see also World Rainforest Day in June)
Earth Hour (see also Earth Day in April)
(last Wednesday in March): Manatee Appreciation Day (no link)
Great British Spring Clean
Spring equinox
April ’23 (dates to be confirmed)
World Aquatic Animal Day
see also World Ocean Day in June, National Marine Week (UK) in July/August
Community Garden Week
see also National Gardening Week (UK) and Go Public Gardens Days (US) in May, National Children’s Gardening Week (UK) and Garden Wildlife Week (UK) in May/June, and National Growing for Wellbeing Week (UK) in June
Microvolunteering Day
See also Student Volunteering Week (UK) in February
Bat Appreciation Day (no link)
Earth Day
See also Earth Hour in March
World Penguin Day (no link)
See also Penguin Appreciation Day in January
Stop Food Waste Day
See also Food Waste Action Week (UK) in March and World Food Day in October
Arbor Day (US)
See also International Day of Forests in March, World Rainforest Day in June, and FSC Friday in September.
May ’23 (dates to be confirmed)
All month:
National Clean Air Month in the US
National Walking Month in the UK
No Mow May in the UK
Hedgehog Awareness Week in the UK
International Compost Awareness Week
Dawn Chorus Day (first Sunday in May)
National Gardening Week in the UK
International Leopard Day (no link)
Wild Koala Day in Australia
Go Public Gardens Days in the US
Green Up Day in Vermont, US (first Saturday in May)
World Donkey Day (no link)
World Migratory Bird Day in the US and Canada
World Fairtrade Day
see also Fairtrade Fortnight in February
Walk to School Week in the UK
Bike to Work Day in the US
see also Cycle to Work Day in October
Endangered Species Day (international, third Friday in May)
International Day for Biological Diversity
National Children’s Gardening Week in the UK
Every Flower Counts in the UK
June ’23 (dates to be confirmed)
All month: 30 Days Wild in the UK
National Children’s Gardening Week in the UK
Volunteers Week in the UK
Marine Environment Protection Committee 78 (IMO)
Bike Week in the UK
Garden Wildlife Week in the UK
National Growing for Wellbeing Week in the UK
Coral Triangle Day in south-east Asia
International Lynx Day
National Cougar Day is the US
Clean Air Day in the UK
World Day to Combat Desertification and Drought
Plastic-Free Beauty Day in the UK
World Croc Day
Sustainable Gastronomy Day (international)
Summer solstice
World Camel Day
World Rainforest Day
World Sand Dunes Day
July ’23 (dates to be confirmed)
All month: Plastic Free July (international)
Clean Beaches Week in the US
International Plastic Bag Free Day
National Don’t Step on a Bee Day in the UK
Shark Awareness Day (international)
World Chimpanzee Day
World Snake Day
National Marine Week in the UK
World Nature Conservation Day
Love Parks Week in the UK
August ’23 (dates to be confirmed)
International Clouded Leopard Day
International Day of the World’s Indigenous People
National Allotments Week (UK)
World Lion Day
World Elephant Day
World Hirola Day
International wolf Day
National Honey Bee Day (?)
World Orangutan Day
World African Wild Dog Day
International Whale Shark Day
Sources and further information:
https://www.awarenessdays.com/
https://greenecofriend.co.uk/environmental-awareness-calendar/
Notepaths 