For the lovers of the footpaths and the footnotes

Sustainability Calendar

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!

September ’21

Graphics: author

All month: Organic September in the UK

Wednesday, 1 September: Japan Dolphins Day, to raise awareness of and protest against the Taiji dolphin hunt

Saturday, 4 September (first Saturday of September): International Vulture Awareness Day

Sunday, 5 September: Amazon Day (International), to drive awareness of the threats to the Amazon biome

Thursday, 16 September: International Day for the Preservation of the Ozone Layer

Friday, 17 September (third Friday in September): PARK(ing) Day (International), an activism day in which street parking spaces are converted into tiny parks, aimed at highlighting the ways streets are used.

Friday, 17 to Sunday, 26 September: The Great British Beach Clean¹

Saturday, 18 September:

Sunday, 19 to Saturday, 25 September (Third week in September): National Indoor Plant Week in the US.

Monday, 20 to Saturday, 26 September: Recycle Week in the UK

Tuesday, 21 September: Zero Emissions Day (international)

Wednesday, 22 September:

Thursday, 23 September to Saturday, 23 October: Seed Gathering Season (UK)

Friday, 24 September: FSC Friday (Forest Stewardship Council)

Sunday, 26 September:

October ’21

All month: Unblocktober (?)

All month: International Walk to School Month (international)

until 22 October: Seed Gathering Season (UK)

1 October: World Vegetarian Day (international)

2 October: World Farm Animals Day

4 October (first Monday in October): World Habitat Day (international)

4 October: World Animal Day (international)

4 October: No Disposable Cup Day (UK)

6 October (first Wednesday in October): Energy Efficiency Day (?)

6 October:National Badger Day (UK)

8 October: National Clean Air Day (UK) and International Clean Air Day

9 October: World Migratory Bird Day (Central and Southern America, Caribbean – see also May)

13 October: International Day for Natural Disaster Reduction

14 October: International E-Waste Day

16 October: World Food Day (international)

17 October: International Day for the Eradication of Poverty (international)

18 October: World Okapi Day

20 October: International Sloth Day

21 October: Reptile Awareness Day (?)

22 October (fourth Wednesday in October): Sustainability Day (?)

22 October: International Wombat Day

23 October: International Snow Leopard Day

24 October: Freshwater Dolphin Day

24 October: International Gibbon Day

24 October: International Day of Climate Action

24 October (last Friday in October): World Lemur Day

November ’21

All month: World Vegan Month (international)

November to January: Big Energy Saving Winter (UK) replaces Big Energy Saving Week

1 to 12 November: COP 26 (26th UN Climate Change Conference of the Parties) in Glasgow, Scotland

1 November: World Vegan Day

6 November: International Day for Preventing the Exploitation of the Environment in War and Armed Conflict

6 November (First Saturday in November): National Bison Day

15 November: America Recycles Day

21 November: World Fisheries Day

29 November: International Jaguar Day

December ’21 (dates to be confirmed)

November to January: Big Energy Saving Winter (UK) replaces Big Energy Saving Week

4 December: International Cheetah Day

5 December: World Soil Day (international)

10 December: International Animal Rights Day (international)

11 December: International Mountain Day (international)

14 December: Monkey Day (?)

January ’22 (dates to be confirmed)

All month:

  • Veganuary (UK) – see also World Vegan Month and World Vegan Day, both in November
  • Walk Your Dog Month (international)

Until 5 January: Walk in Winter (UK) replaces the Festival of Winter Walkssee also National Walking Month in May

5 January: National Bird Day (US)see also World Migratory Bird Day in May and October

5 January to 22 February: Big Schools’ Birdwatch (UK)

11 to 17 January: Houseplant Week (UK) – see also National Indoor Plant Week in September

21 January: Squirrel Appreciation Day (international) and Red Squirrel Appreciation Day (UK)

25 to 29 January: The Davos Agenda (online conference by World Economic Forum)

31 January: International Zebra Day (international)

February ’22 (dates to be confirmed)

until 22 February: Big Schools’ Birdwatch (UK)

1 to 6 February: Dutch Circular Economy Week

2 February: World Wetlands Day

14 February: World Bonobo Day

15 February: World Hippopotamus Day

17 February: Random Acts of Kindness Day (international)

20 February (third Saturday in February): World Pangolin Day

21 February: World Whale Day

22 February to 7 March: Fairtrade Fortnight (international)

27 February: International Polar Bear Day

28 February to 2 March: Fifth session of the United Nations Environment Assembly

March ’22 (dates to be confirmed)

Until 2 March: Fifth session of the United Nations Environment Assembly

Until 7 March: Fairtrade Fortnight (international)

1 to 7 March: Food Waste Action Week (UK)

3 March: UN World Wildlife Day

8 March: International Women’s Day

14 March: International Day of Action for Rivers (see also World Rivers Day in September)

15 March: Buzzards Day (no link)

16 March: Panda Day (no link) (see also International Red Panda Day in September)

18 March: Global Recycling Day (see also Recycle Week in October and America Recycles Day in November)

20 March: World Sparrow Day

20 March: World Frog Day (no link)

21 March: International Day of Forests and World Wood Day and World Planting Day (no link) (see also World Rainforest Day in June)

22 March: World Water Day

22 March: International Seal Day

23 March: World Bear Day

23 March: World Meteorological Day

27 March: Earth Hour (see also Earth Day in April)

31 March (last Wednesday in March): Manatee Appreciation Day (no link)

April ’22 (dates to be confirmed)

3 April: World Aquatic Animal Day

5 to 11 April: Community Garden Week (no link)

5 to 12 April: International Dark Sky Week

7 April: World Health Day

7 April: International Beaver Day

15 April: Microvolunteering Day

15 April: WCEF+Climate (World Circular Economy Forum)

17 April: Bat Appreciation Day (no link)

22 April: International Mother Earth Day or Earth Day (international)

25 April: World Malaria Day

25 April: World Penguin Day (no link)

26 April to 2 May: National Gardening Week (UK)

27 April: World Tapir Day

28 April: Stop Food Waste Day (international) (no link)

30 April: Arbor Day (US)

May ’22 (dates to be confirmed)

All month:

until 2 May: National Gardening Week (UK)

1 May: Green Up Day (Vermont, US) (first Saturday in May)

2 May:

2 to 8 May:

3 May:

7 to 16 May: Go Public Gardens Days (US) (see also National Community Gardens Week in April)

8 May:

9 May: World Fairtrade Day (see also Fairtrade Fortnight in February)

13 May: #DoNothingForTheClimate Day (international)

17 to 21 May: Walk to School Week in the UK

17 to 22 May: Water Saving Week in the UK
Official site

20 May: World Bee Day

21 May:

  • Endangered Species Day (international) (third Friday in May) (highlighted above)
  • Bike to Work Day (see also Cycle to Work Day in October) (no link)

22 May: International Day for Biological Diversity (highlighted above)

22 to 31 May: Every Flower Counts (UK)

23 May: World Turtle Day

24 May: European Day of Parks

26 May: World Otter Day

28 May to 13 June: The Great British Spring Clean

29 May to 6 June: National Children’s Gardening Week (UK)

31 May: World Parrot Day

31 May to 6 June: Garden Wildlife Week (UK) (no link)

June ’22 (dates to be confirmed)

Until Saturday, 5 June: Bike Week in the UK (theme: “health and wellbeing”)
Official site

Until Sunday, 6 June: Garden Wildlife Week in the UK

All month: 30 Days Wild in the UK
Official site

Tuesday, 1 June: World Reef Day
Official site

Thursday, 3 June: release of Go Big: How To Fix Our World” by Ed Miliband (note this is an affiliate link through to support local bookshops)

Saturday, 5 June: World Environment Day (theme: “Time for nature”)
Official site

Monday, 7 to Sunday, 13 June: National Growing for Wellbeing Week in the UK
Official site

Tuesday, 8 June: World Ocean Day
Official site

Wednesday, 9 June: Coral Triangle Day (south-east Asia) (theme: “Driving Blue Recovery for A Sustainable Coral Triangle”)
Official site

Friday, 11 to Sunday, 13 June: G7 Summit at Carbis Bay, Cornwall, UK
Official site

Friday, 11 June: International Lynx Day

Friday, 11 to Sunday, 13 June: Seminar: Groundswell 2021 by Friends of the Earth
More information and register

Saturday, 12 June: National Cougar Day

Tuesday, 15 June: Global Wind Day
Official site

Wednesday, 16 June:

Thursday, 17 June:

  • World Day to Combat Desertification and Drought (Theme: “Restoration. Land. Recovery. We build back better with healthy land”)
    Official Site
  • Clean Air Day in the UK
    Official site
  • Plastic-Free Beauty Day in the UK
  • World Croc Day

Friday, 18 June: Sustainable Gastronomy Day
Official site

Friday, 18 to Sunday, 20 June: Change & Climate Action Seminar hosted by SAME (Solidarity Action day Movement in Europe)
More information and Register

Monday, 21 June: World Giraffe Day
Official site

Tuesday, 22 June:

Friday, 25 June: World Sand Dunes Day

July 22 (dates to be confirmed)

All month: Plastic Free July (international)
Official site

Thursday, 1 to Wednesday, 7 July: Clean Beaches Week in the US
Official site

Saturday, 3 July: International Plastic Bag Free Day

Saturday, 10 July: National Don’t Step on a Bee Day in the UK

Sunday, 11 July: World Population Day
Official site

Wednesday, 14 July:

Friday, 16 July: World Snake Day

Friday, 23 July to Sunday, 1 August: Love Parks Week in the UK
Official site

Saturday, 24 July to Sunday, 8 August: National Marine Week in the UK
Official site

Wednesday, 28 July: World Nature Conservation Day

29 July: International Tiger Day
Official site

August ’22 (dates to be confirmed)

Until 8 August: National Marine Week (UK)

4 August: International Clouded Leopard Day

9 August: International Day of the World’s Indigenous People (international)

10 to 15 August: National Allotments Week (UK)

10 August: World Lion Day

12 August: World Elephant Day

12 August: World Hirola Day

13 August: International wolf Day

15 August: National Honey Bee Day (?)

19 August: World Orangutan Day

26 August: World African Wild Dog Day

30 August: International Whale Shark Day

Previous summaries:

Sources and further information:

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