Print and Sharing Options Print this page Share Facebook Twitter Email Whatsapp SMS Herts Climate Change and Sustainability Partnership 2025 calendar
This calendar has details of sustainability initiatives and events which local stakeholders can share and support as they choose. January 1–31 January – Veganuary 26 January – Clean Air Night 24–26 January – Big Garden Birdwatch February 2 February – World Wetlands Day March 3 March – UN World Wildlife Day 4–10 March – Food Waste Action Week 8 March – International Women's Day 18 March – Global Recycling Day 14 March – International Day of Action for Rivers 21 March – 6 April – Great British Spring Clean 21 March – UN Day of Forests 22 March – World Water Day 22 March – Earth Hour April 7 April – World Health Day 22 April – Earth Day 22 April – International Mother Earth Day 28 April – 4 May - National Gardening Week 30 April – Stop Food Waste Day May 1–31 May – No Mow May 1–31 May – National Walking Month 4–10 May – International Compost Awareness Week 20 May – World Bee Day 22 May – International Day for Biological Diversity 20–24 May – Walk to School Week 26–30 May – Water Saving Week 31 May – 8 June – National Children's Gardening Week June 1–30 June – 30 Days Wild 5 June – World Environment Day 7–15 June – Great Big Green Week 9–15 June – Bike Week 16 June – World Refill Day 19 June – National Clean Air Day 23–29 June – National Insect Week July 1–31 July – Plastic Free July 5–11 July – Net Zero Week 25 July – 3 August – Love Parks Week August 4–11 August – National Allotments Week 7 August – Cycle to work day September 1–30 September – Organic September 1–30 September – Secondhand September 9 September – World EV day 8–21 September – Fair Trade Fortnight 22 September – World Car Free Day 22–26 September – Bike to School Week October 1–31 October – Unblocktober 1 October – World Vegetarian Day 13–19 October – Recycle Week 20–24 October – Environmenstrual Week November 19 November – World Toilet Day 24–30 November – National Tree Week December 5 December – World Soil Day