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!

June ’21

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 ’21

All month: Plastic Free July (international)

1 to 6 July: Clean Beaches Week (US)

3 July: International Plastic Bag Free Day (international)

10 July: Don’t Step on a Bee Day (?)

11 July: World Population Day (international)

11 July: Shark Awareness Day (?)

14 July: World Chimpanzee Day

14 July: World Orca Day

12 to 19 July: Love Parks Week (UK)

25 July to 8 August: National Marine Week (UK)

28 Jul: World Nature Conservation Day (international)

29 July: International Tiger Day (international)

August ’21

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

September ’21

All month: Organic September (UK)

1 September: Japan Dolphin Day

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

5 September: Amazon Rainforest Day (?)

Third week in September: National Indoor Plant Week (US)

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

17 September (third Friday in Septmeber): PARK(ing) Day (?)

18 September (third aturday in September): World CleanUp Day and National CleanUp Day

18 September (third Saturday in September): International Red Panda Day

18 September: World Water Monitoring Day

18 to 20 September: Great British Beach Clean (UK)

21 September: Zero Emissions Day (?)

22 September: World Car Free Day (international)

22 September: World Rhino Day

23 September to 22 October: Seed Gathering Season (UK)

23 September to 30 October: Recycle Week (?)

25 September: FSC Friday or Forest Stewardship Council Friday (?)

26 September: World Environmental Health Day

26 September: World Cassowary Day

26 September (last Sunday of September): World Rivers Day

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

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

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

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

March ’22

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

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 ’21

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)

Previous summaries:

Sources and further information:

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