This is a list of environmental dates which are designated for creating awareness of environmental issues.
Species awareness days highlight biodiversity, with the aim of increasing understanding and appreciation of the subject. Some of these days have been shown to cause a rise in information-seeking behaviour, and may lead to an increase in conservation fundraising by charities and advocacy groups.
Hours Earth Hour – 8:30 pm (local time), next one will take place on 28 March 2026.
Days of environment Environmental DateDate(s) National Bird Day January 5 International Zebra Day January 31 World Wetlands Day February 2 World Ostrich Day February 2 World Marmot Day February 2 World Pangolin Day Third Saturday of February World Whale Day Third Sunday of February World Bonobo Day February 14 World Hippopotamus Day February 15 International Polar Bear Day February 27 World Wildlife Day March 3 International Day of Action for Rivers March 14 World Consumer Rights Day March 15 Buzzards Day March 15Digital Cleanup DayMarch 15, 2025 National Panda Day March 16 Global Recycling Day March 18World Serval DayMarch 18 Taxonomist Appreciation Day March 19 World Sparrow Day March 20 World Frog Day March 20 World Rewilding Day March 20 International Day of Forests March 21 World Planting Day March 21 World Wood Day March 21 World Water Day March 22 International Seal Day March 22 World Meteorological Day March 23International Day of Zero WasteMarch 30 World Aquatic Animal Day April 3 World Rat Day April 4 International Beaver Day April 7 Zoo Lovers Day April 8 Arbor Day April 26 Bat Appreciation Day April 17 Earth Day April 22International Pallas's Cat dayApril 23 World Day for Laboratory Animals April 24 World Tapir Day April 27International Hyena DayApril 27 Day of Remembrance for all Victims of Chemical Warfare April 29 Green Up Day First Saturday of May in Vermont World Tuna Day May 2 International Leopard Day May 3 Wild Koala Day May 3 Greenery Day May 4 in Japan (previously April 29) World Donkey Day May 8 Go Public Gardens Days Friday before to the Sunday after Mother's Day World Migratory Bird Day Second Saturday of May. Second Saturday of May in the U.S. and Canada; Second Saturday of October in Mexico, Central and South America, and the Caribbean. World Binturong Day Second Saturday of May. Endangered Species Day Third Friday of May International Toad Day May 15 Bike-to-Work Day Third Friday of May World Bee Day May 20 International Day for Biological Diversity (World Biodiversity Day) May 22 World Turtle Day May 23 Taxonomy Recognition Day May 23 European Day of Parks – Europarc Federation May 24 World Otter Day last Wednesday of May World Dugong Day May 28 Black Birders Week May 29 World No Tobacco Day May 31 World Parrot Day May 31 World Reef Day June 1 World Peatlands Day June 2 World Bicycle Day June 3 World Environment Day June 5 Solomon Memorial Day June 5 World Oceans Day June 8 Coral Triangle Day June 9 International Lynx Day June 11 National Cougar Day June 12 Global Wind Day June 15 World Sea Turtle Day June 16 World Day to Combat Desertification and Drought June 17 World Croc Day June 17 World Horseshoe Crab Day June 20 World Giraffe Day June 21 World Camel Day June 22 World Rainforest Day June 22 Black Birders Week June 24 World Decarbonisation Day June 25 World Population Day July 11 Shark Awareness Day July 14 World Chimpanzee Day July 14World Orca DayJuly 14 World Snake Day July 16 Earth Overshoot Day Advanced to July 24 in 2025 International Day for the Conservation of the Mangrove Ecosystems July 26 World Nature Conservation Day July 28 International Tiger Day July 29 World Ranger Day – International Ranger Federation July 31 International Clouded Leopard Day August 4 World Tomistoma Day August 5International Cat Day August 8 International Moon Bear Day August 8 World Lion Day August 10 World Elephant Day August 12 World Hirola Day August 12 International Wolf Day August 13World Lizard DayAugust 14 National Honey Bee Day (US only) August 15 Scimitar-Horned Oryx Day August 16 World Orangutan Day August 19 World Mosquito Day August 20 International Dog Day August 26 International Whale Shark Day August 30World Beach Day, aka National Beach DaySeptember 1International Primate DaySeptember 1 Japan Dolphin Day September 1 Amazon Rainforest Day September 5 International Vulture Awareness Day First Saturday of September International Day of Clean Air for blue skies September 7 World Dolphin Day September 12International Colugo DaySeptember 15 International Day for the Preservation of the Ozone Layer September 16World Manta DaySeptember 17 World Water Monitoring Day September 18 Third Friday in September World Cleanup Day September 16, 2023, Third Saturday in September National Cleanup Day September 18, 2021, Third Saturday in September International Red Panda Day Third Saturday of September Zero Emissions Day September 21 World Dates Day September 22 World Rhino Day September 22 World Gorilla Day September 24 World Environmental Health Day September 26 since 2011 (IFEH) World Cassowary Day September 26 International Day of Awareness of Food Loss and Waste September 29 World Rivers Day Last Sunday of SeptemberAustralian Wildlife Week First Week of October International Raccoon Appreciation Day October 1 World Farm Animals Day October 2 World Habitat Day First Monday of October World Animal Day October 4 National Badger Day October 6 World Octopus Day October 8 Mazingira Day October 10 Energy Efficiency Day First Wednesday in October International Day for Natural Disaster Reduction October 13 International E-Waste Day October 14 International Sawfish Day October 17 Stepping Stone Day October 17 Sustainability Day! Fourth Wednesday of October World Okapi Day October 18 International Sloth Day October 20 National Reptile Awareness Day October 21 World Earthworm Day October 21 International Wombat Day October 22 International Snow Leopard Day October 23 Freshwater Dolphin Day October 24 International Gibbon Day October 24 International Day of Climate Action October 24 World Lemur Day Last Friday of OctoberWorld Ecology DayNovember 1 World Vegan Day November 1World Basking Shark Day November 3 International Day for Preventing the Exploitation of the Environment in War and Armed Conflict November 6 National Bison Day First Saturday in November America Recycles Day November 15 World Fisheries Day November 21 International Jaguar Day November 29 International Cheetah Day December 4 Wildlife Conservation Day December 4 World Soil Day December 5 International Mountain Day December 11 Monkey Day December 14 Ozone Action Day Variable date depending weather conditions eDay – Electronic Waste Day Variable date, in New ZealandWorld Fish Migration DayVariable date (next one - 23 May 2026)
Weeks Name DatetUrn Climate Crisis Awareness and Action WeekApril 19–23, 2021 Great Backyard Bird Count 2025 date, February 14–17 Invasive Species Awareness Week Last Week of February Green Office Week 2016 date, April 18–22 Keep Australia Beautiful Week Last Full Week of August National Green Week First week in February every year in the United States National Wildlife Week National Dark-Sky Week Week of new moon in April Bike to Work Week Victoria National Pollinator Week Third Week in June Mosquito Awareness Week June 22–28 Plastic Free July July 1–31 National Clean Beaches Week July 1–7Van Mohatsav Saptah (Forest Festival Week) Conservation Week World Water Week August 26–31 European Mobility Week September 16–22 Bike Week Second week in June Recycle Week June 20–26, 2011 Zero Waste Week First Week of September Green Office Week European Week for Waste Reduction (EWWR) Last complete week in November, 9 days Science Literacy Week (Canada) September 16–22 No Car Day Week of September 22 in China World Water Week in Stockholm August or September, annual National Op Shop Week (Australia) August 21–27 World Oceans Week June 1–8 National Herbal Medicine Week Each year for the last week in October International Compost Awareness Week First Full Week in May
Years Name Date International Polar Year 1882–1883 International Polar Year 1932–1933International Year of the Child1979 World Population Year 1974 International Year of the Ocean (IYO) 1998 International Year of Mountains (IYM) 2002 International Year of Ecotourism (IYE) 2002 International Year of Freshwater (IYF) 2003 International Year of Deserts and Desertification 2006 International Year of the Dolphin 2007–2008 International Polar Year 2007–2009 International Year of Planet Earth 2008 International Year of Sanitation 2008 International Year of Natural Fibres 2009 2009 Year of the Gorilla 2009 International Year of Biodiversity 2010 International Year of Forests 2011 International Year of Soils 2015 International Year of Pulses 2016 International Year of Sustainable tourism for all 2017 International Year of Indigenous languages 2019 International Year of Plant Health 2020International Year of Fruits and Vegetables2021
Agriculture
YEAREVENTS2004International year of rice2005International year of parthenium2006International year of desert and desertification2007International year of water2008International year of potato2009International year of natural fibres2010International year of biodiversity2011International year of forest2012International year of cooperative (Also celebrated as National year of horticulture)2013International year of water cooperation2014International year of family farming2015International year of soil and Light2016International year of pulses (theme- nutritious seed for sustainable agriculture)2017International year of sustainable tourism2018Recommended for International year of millets (Declared as National year of millets)2019International year of Indigenous language2020International Year of Plant Health2021International Year of Creative Economy for Sustainable Development. And also International Year of Fruits and Vegetables2022International Year of Artisanal Fisheries and Aquaculture2023International year of Millets2024International Year of Camelids
Decades Name Date International Drinking Water Decade, 1981–90 1980s International Decade for Natural Disaster Reduction 1990s United Nations Decade of Education for Sustainable Development 2005–2014 Water for Life Decade 2005–2015 United Nations Decade on Biodiversity 2011–2020 United Nations Decade for Deserts and the Fight against Desertification 2010–2020United Nations Decade on Ecosystem Restoration 2021–2030
See also Index of environmental articles List of environmental issues List of years in the environment Index of conservation articles List of conservation issues International observance List of awareness days List of commemorative days List of international environmental agreements List of commemorative months
References
External links News & Events - UN Days, Weeks and Years - World Plantation Day, Great Kashmir - Save your water - EDU Green