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Topic facet

Environment Conservation observances

Conservation-focused observances and habitat or species protection.

Curated facet guide

About this facet

These pages focus more specifically on conservation, restoration, biodiversity and protection of natural systems.

Scope note: Participation advice should avoid disturbing wildlife or encouraging actions that are ecologically inappropriate for a local area.
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Reviewed depth

In-depth guides in Environment Conservation

These pages include reviewed meaning, history, activities, facts and FAQs in addition to the underlying authority record.

Source-backedFixed AnnualIn-depth guide

Earth Day

22 April · Worldwide / EARTHDAY.ORG campaign

EARTHDAY.ORG’s current 2026 page identifies Earth Day 2026 as Wednesday, 22 April.

44 records

Authority records

Source-backedFixed Annual

America Recycles Day®

15 November each year · Keep America Beautiful / United States recycling awareness

Keep America Beautiful identifies America Recycles Day on November 15 as its national recycling-awareness program

Source-backedEdition Specific

Conwy River Festival

3–11 July 2026 across announced festival events · Conwy, Wales / 2026 festival programme

The Conwy River Festival’s official announcement schedules the Regatta for 3–5 July, Quay Day for 4 July, the LA-LA Rally for 9–11 July and prizegiving for 11 July 2026.

Source-backedFixed AnnualIn-depth guide

Earth Day

22 April · Worldwide / EARTHDAY.ORG campaign

EARTHDAY.ORG’s current 2026 page identifies Earth Day 2026 as Wednesday, 22 April.

Source-backedEdition Specific

Global Garbage Man Day / Waste & Recycling Workers Week

17 June for the legacy day; 15–20 June for the organizer’s 2026 week · Waste and recycling worker appreciation campaign

The current Waste & Recycling Workers Week organization identifies its roots in Global Garbage Man Day and centers the campaign around June 17; a 2026 Texas Department of Insurance bulletin…

Source-backedEdition Specific

Global Recycling Day

18 March; 18 March 2026 edition verified · International / Global Recycling Foundation campaign

A Bureau of International Recycling release issued on behalf of the Global Recycling Foundation documents Global Recycling Day activity on March 18, 2026 and identifies the Foundation’s cam…

Source-backedHistorical Legacy

Global Selfie Earth Day

22 April 2014 (NASA Global Selfie event) · Worldwide / NASA Earth Day 2014 crowdsourced photo event

NASA’s Global Selfie was a specific Earth Day 2014 event inviting people worldwide to submit selfies for a crowdsourced Earth mosaic. The NASA evidence does not establish an annual observan…

Source-backedFixed Annual

International Day of Action for Rivers

14 March · international river-protection and community-rights action observance

International Rivers and the 1997 International Meeting of People Affected by Dams

Source-backedFixed Annual

International Environmental Education Day

26 January · International / environmental-education awareness observance recognized by education and biodiversity institutions

Environmental-education institutions mark January 26 as International/World Environmental Education Day. The evidence supports the recurring date but is not used to claim a current UN-desig…

Source-backedHistorical Legacy

International Mobile Phone Recycling Day

26 January 2016 (documented second annual edition) · Jane Goodall Institute / historical global recycling campaign

The Jane Goodall Institute documented its second annual International Mobile Phone Recycling Day on January 26, 2016; later JGI materials show campaign timing evolved, so the archived date…

Source-backedFixed Annual

International Plant Appreciation Day

13 April · International / informal plant-appreciation observance

Antigua and Barbuda’s Ministry of Agriculture states that International Plant Appreciation Day is observed every year on April 13, and National Today independently lists the same annual dat…

Source-backedFixed Annual

National Black Forest Cake Day

28 March · Informal food-calendar usage documented by Association of Nutrition & Foodservice Professionals chapter material

ANFP Wyoming and Wisconsin chapter calendars list National Black Forest Cake Day on March 28.

Source-backedFixed Annual

National Climate-Smart Skin Awareness Day

28 June · United States / Pour Moi Skincare-created skin-awareness campaign

Pour Moi Skincare’s current campaign page identifies June 28 as National Climate Smart Skin Awareness Day and explicitly says it was founded by Pour Moi Skincare.

Source-backedFixed Annual

National Controlled Environment Certifier Day

5 November · Controlled-environment certification profession / CETA-created recognition day

Controlled Environment Testing Association (CETA) material states that National Controlled Environment Certifier Day is observed on November 5 and describes CETA’s creation/sponsorship of t…

Source-backedFixed Annual

National Diatomaceous Earth Day

31 August · United States / EP Minerals-created diatomaceous-earth observance

EP Minerals states that it founded National Diatomaceous Earth Day, that National Day Calendar approved the day in 2016, and that the observance is on August 31.

Source-backedFixed Annual

National Energy Conservation Day

14 December annually · India / Bureau of Energy Efficiency, Ministry of Power

India’s Bureau of Energy Efficiency states that December 14 was declared National Energy Conservation Day and that the annual awards function is organized on December 14 each year.

Source-backedFixed Annual

National Love a Tree Day

16 May · United States / tree-appreciation observance acknowledged by university extension

University of California Agriculture and Natural Resources published a 2026 article explicitly in celebration of National Love a Tree Day on May 16.

Source-backedFixed Annual

National Plant a Flower Day

12 March · United States / informal gardening and seasonal observance

Independent observance calendars place National Plant a Flower Day on March 12 and present it as an annually recurring informal observance.

Source-backedFixed Annual

National Ranch Water Day

11 April · United States / RANCH2O Spirits-created beverage observance

RANCH2O Spirits publishes April 11 as National Ranch Water Day, and the National Day Archives registry states that April 11 is observed each calendar year and that RANCH2O created the day i…

Source-backedVariable Custom

National River Cleanup®

Year-round; local cleanup organizers choose and register their own event dates · United States / American Rivers National River Cleanup® program

American Rivers operates National River Cleanup® as a network of cleanup events held throughout the year; organizers register an event date, so there is no single universal recurring Nation…

Source-backedRule Based Annual

National Skip the Straw Day

Fourth Friday in February · United States-origin environmental-awareness observance

The observance is attributed to the Coral Keepers students at Whitehall Middle School and adviser Susan Tate, with a 2017 launch; independent public-water-authority coverage also identifies…

Source-backedFixed Annual

National Take Down the Christmas Tree Day

6 January · United States / informal seasonal observance

National Today places the observance on January 6 annually, and the American Red Cross Utah region independently referenced January 6, 2026 as Take Down the Christmas Tree Day in a safety c…

Source-backedRule Based Annual

National Tree Day

Last Sunday in July; 26 July 2026 verified · Australia / Planet Ark community nature-care program

Planet Ark lists National Tree Day on Sunday, July 26, 2026 and says the event, established in 1996, is dedicated to the last Sunday in July.

Source-backedFixed Annual

National Wildlife Day

4 September · United States / creator-led wildlife awareness observance

Creator Colleen Paige’s official site lists National Wildlife Day on September 4 among the observances she founded/maintains.

Source-backedHistorical Legacy

Plant Power Day

7 March 2018 (documented launch) · Alpro / United Kingdom-origin plant-based food campaign; current organizer recurrence not assumed

A 7 March 2018 Alpro-organized launch event states that Plant Power Day was created by Alpro; contemporaneous dietitian-led coverage describes 7 March 2018 as the nation’s first Plant Power…

Source-backedVariable Custom

Rockefeller Center Christmas Tree Lighting

2026 ceremony date pending official announcement as of 9 September 2026 · New York City / Rockefeller Center annual event

Rockefeller Center confirms the annual Tree Lighting tradition, states the 2025 ceremony occurred on December 3, and currently tells visitors to check back for 2026 Tree details rather than…

Source-backedHistorical Legacy

Team Green Britain Bike Week

19–27 June 2010; 18–26 June 2011 (documented historical editions) · United Kingdom / historical cycling campaign editions

British Cycling documents Team Green Britain Bike Week as running 19–27 June in 2010 and 18–26 June in 2011, showing that the campaign dates changed by edition rather than following one saf…

Source-backedRule Based Annual

Tree Dressing Day

First weekend of December · United Kingdom / Common Ground community tree celebration

Common Ground states that Tree Dressing Day falls on the first weekend of December and was initiated by the organization in 1990.

Source-backedRule Based Annual

Use Less Stuff Day

Third Thursday in November · United States-origin consumption- and waste-reduction awareness observance

A 1998 Washington Post article documents Use Less Stuff Day as an established pre-Thanksgiving waste-reduction campaign, while recurrence documentation identifies the modern rule as the thi…

Source-backedHistorical Legacy

Wildlife Conservation Day (U.S. State Department 2012 campaign)

4 December in the documented 2012 campaign · U.S. Department of State / historical wildlife-conservation campaign

Archived U.S. Department of State material says U.S. missions marked Wildlife Conservation Day on 4 December 2012.

Source-backedFixed AnnualIn-depth guide

World Bee Day

20 May · FAO / United Nations / international observance

A/RES/72/211

Source-backedFixed AnnualIn-depth guide

World Environment Day

5 June · United Nations Environment Programme global observance

A/RES/2994 (XXVII)

Source-backedEdition Specific

World Nature Conservation Day

28 July 2026 · India / National Zoological Park and Ministry of Environment, Forest and Climate Change event context

India’s Press Information Bureau reports that the National Zoological Park in New Delhi celebrated World Nature Conservation Day on 28 July 2026. This verifies the 2026 government-instituti…

Source-backedFixed AnnualIn-depth guide

World Oceans Day

8 June · United Nations international observance

A/RES/63/111

Source-backedFixed AnnualIn-depth guide

World Olive Tree Day

26 November · UNESCO international day

Proclaimed at UNESCO’s 40th General Conference (2019)

Source-backedFixed Annual

World Plant Milk Day

22 August annually · Global / World Plant Milk Day campaign

The World Plant Milk Day campaign identifies 22 August as its annual date, while ProVeg documents the campaign’s 2017 launch with Plant Based News.

Source-backedFixed Annual

World Plant-Based Burger Day

10 October · International promotional context / VeganBurg-created plant-based burger observance

VeganBurg launched World Plant-Based Burger Day on October 10, 2020 as part of its tenth-anniversary campaign.

Source-backedRule Based Annual

World Rivers Day

Fourth Sunday of September · international river-awareness and stewardship observance

World Rivers Day organizers; global initiative launched in 2005 alongside the UN Water for Life Decade

Source-backedFixed AnnualIn-depth guide

World Water Day

22 March · United Nations international observance

A/RES/47/193

Source-backedFixed AnnualIn-depth guide

World Wildlife Day

3 March · United Nations international observance

A/RES/68/205