← Holidays Today ← Holidays by Country Ecological Observances 05.01National Bird Day in the USAUSA 11.01Nature Reserves and National Parks Day in RussiaRussia 14.01National Forest Conservation Day in ThailandThailand 15.01Arbor Day in Jordan, Egypt and MaltaJordan, Egypt, Malta 17.01Tu BishvatIsrael 20.01Penguin Awareness Day 26.01World Environmental Education Day 02.02Marmot Day in AlaskaUSA 11.02Forest Animal Feeding Day in PolandPoland 17.02National Cat Day in Italy and PolandPoland, Italy 19.02World Pangolin Day 22.02National Wildlife DayUSA 27.02International Polar Bear Day 01.03National Horse Protection Day (World Horse Day)USA 05.03National Tree Planting Day in IranIran 11.03Johnny Appleseed Day in the USAUSA 12.03Tree Day in North MacedoniaMacedonia 12.03Sun-Earth Day 12.03Arbor Day in China and TaiwanChina, Taiwan 13.03National Thai Elephant DayThailand 14.03International Day of Action for Rivers 15.03International Day of Action for the Seals 16.03National Festival of Trees in the NetherlandsNetherlands 20.03International Astrology Day 20.03World Sparrow Day 20.03Equinox Earth Day 21.03Arbor Day in Belgium, Portugal and LesothoBelgium, Lesotho, Portugal 22.03Baltic Sea DaySweden, Finland, Denmark, European Union, Lithuania, Latvia, Germany, Poland, Russia, Estonia 22.03National Tree Day in Sint MaartenSint Maarten 23.03National Puppy Day in the United StatesUSA 24.03National Tree Planting Day in UgandaUganda 29.03Declaw Awareness Day 01.04National Tree Planting Day in TanzaniaTanzania 01.04Fossil Fools Day 02.04Sizdah Be-dar (Nature Day) in IranIran 03.04World Aquatic Animal Day 05.04Sikmogil (Arbor Day) in South KoreaSouth Korea 08.04National Plitvice Lakes Day in CroatiaCroatia 16.04Environment Day in UkraineUkraine 21.04National Tree Planting Day in KenyaKenya 22.04Earth Day and International Mother Earth Day 25.04Arbor Day in GermanyGermany 25.04World Penguin Day 27.04World Tapir Day 29.04National Arbor Day in the USAUSA 29.04Arbor Day in ColombiaColombia 30.04World Disco Soup Day 01.05International Sunflower Guerrilla Gardening Day 03.05Sun Day 04.05Bird Day in the USAUSA 05.05Arbor Day in the Dominican RepublicDominican Republic 05.05African World Heritage Day 06.05National Public Gardens DayUSA 07.05World Naked Gardening Day 12.05Environmental Education Day in RussiaRussia 14.05National Forest Planting Day in RussiaRussia 14.05World Migratory Bird Day 14.05National Tree Planting Day in MongoliaMongolia 14.05Thai Buffalo Conservation DayThailand 20.05European Maritime DayEuropean Union 20.05Volga Day in RussiaRussia 20.05National Rescue Dog Day in the United StatesUSA 22.05Arbor Day in Guatemala and EcuadorGuatemala, Ecuador 23.05World Turtle Day 23.05Bike Day in CanadaCanada 24.05European Day of Parks 25.05International Plastic Free Day 29.05National Arbor Day in VenezuelaVenezuela 30.05Arbor Day in HondurasHonduras 30.05National Potato Day in PeruPeru 31.05World Parrot Day 01.06World Reef Day 04.06National Prairie Day in the United StatesUSA 04.06National Trails Day in the United StatesUSA 05.06Environment Protection Day in BelarusBelarus 05.06Arbor Day in New ZealandNew Zealand 05.06Coastal Cleanup Day in RussiaRussia 05.06World Day Against Speciesism 06.06World Pest Day 09.06Coral Triangle DayIndonesia, Malaysia, East Timor, Papua New Guinea, Solomon Islands, Philippines 11.06World Jaguar Day 12.06Canadian Rivers DayCanada 15.06Arbor Day in Costa RicaCosta Rica 15.06Global Wind Day 15.06National Megalodon Day in the United StatesUSA 16.06World Sea Turtle Day 17.06World Croc Day 19.06Arbor Day in ParaguayParaguay 20.06Arbor Day in AustraliaAustralia 21.06Arbor Day in Cuba 21.06World Giraffe Day 21.06International Surfing Day 22.06World Rainforest Day 24.06Arbor Day in NicaraguaNicaragua 25.06Arbor Day in the PhilippinesPhilippines 25.06National Catfish Day in the USAUSA 01.07National Festival of Tree Planting (Van Mahotsav) in IndiaIndia 02.07National Festival of Tree Planting (Van Mahotsav) in IndiaIndia 02.07Dnieper DayUkraine, Russia, Belarus 03.07National Festival of Tree Planting (Van Mahotsav) in IndiaIndia 03.07Plastic Bag Free Day 04.07National Festival of Tree Planting (Van Mahotsav) in IndiaIndia 05.07National Festival of Tree Planting (Van Mahotsav) in IndiaIndia 06.07National Festival of Tree Planting (Van Mahotsav) in IndiaIndia 06.07Arbor Day in Chile 07.07National Festival of Tree Planting (Van Mahotsav) in IndiaIndia 09.07Sea and Fishermen's Festival in LatviaLatvia 09.07Arbor Day in CambodiaCambodia 10.07Global Energy Independence Day 14.07National Tree Day in MexicoMexico 14.07Shark Awareness Day 16.07World Snake Day 18.07Marine Day in JapanJapan 20.07National Tree Planting Day in the Central African RepublicCentral African Republic 26.07International Day for the Conservation of the Mangrove Ecosystem 28.07World Nature Conservation Day 29.07Schools Tree Day in AustraliaAustralia 29.07International Tiger Day 31.07National Tree Day in AustraliaAustralia 03.08Arbor Day in NigerNiger 04.08International Clouded Leopard Day 08.08National Tarantula Appreciation DayUSA 09.08Smokey Bear’s Birthday in the United StatesUSA 10.08World Lion Day 12.08World Elephant Day 12.08Glorious TwelfthUnited Kingdom 14.08World Lizard Day 15.08Flooding of the Nile in EgyptEgypt 17.08National Black Cat Appreciation DayUSA 18.08National Tree Planting Day in PakistanPakistan 19.08International Orangutan Day 20.08National Honey Bee DayUSA 20.08Renewable Energy Day (Akshay Urja Diwas) in IndiaIndia 23.08International Blind Dog Day 25.08National Park Service Founders Day in the United StatesUSA 27.08Finnish Nature DayFinland 27.08International Bat Night 28.08Lake Sevan Day in ArmeniaArmenia 29.08Arbor Day in ArgentinaArgentina 30.08National Beach DayUSA 30.08International Whale Shark Day 01.09Arbor Day in PeruPeru 04.09Lake Baikal Day in RussiaRussia 04.09National Wildlife DayUSA 07.09National Threatened Species Day in AustraliaAustralia 09.09Thung Yai-Huai Kha Khaeng Wildlife Sanctuaries Day in ThailandThailand 10.09Carl Garner Federal Lands Cleanup DayUSA 11.09Sustainable House Day in AustraliaAustralia 11.09Fjord Day in DenmarkDenmark 16.09Clean Up the World 17.09National Cleanup Day in the USAUSA 18.09World Water Monitoring Day 20.09National Canal Conservation Day in ThailandThailand 21.09Arbor Day in BrazilBrazil 22.09National Arbor Day in BarbadosBarbados 22.09World Car Free Day 22.09World Rhino Day 22.09Elephant Appreciation Day 24.09National Public Lands DayUSA 24.09National Hunting and Fishing DayUSA 24.09European Mushroom Day 25.09World Rivers Day 26.09World Environmental Health Day 26.09Johnny Appleseed Day in the USAUSA 28.09National Tree Day in CanadaCanada 30.09Arbor Day in the US Virgin IslandsAmerican Virgin Islands 01.10Arbor Day in the Northern Mariana IslandsNorthern Mariana Islands 01.10National Arbor Day in BoliviaBolivia 01.10National Black Dog DayUSA 02.10World Day for Farmed Animals 04.10eDay in New ZealandNew Zealand 04.10World Animal Day 08.10National Tree Planting Day in MongoliaMongolia 08.10World Migratory Bird Day 08.10Octopus Day 10.10Arbor Day in PolandPoland 11.10Arbor Day in GuamGuam 14.10Arbor Day in NamibiaNamibia 20.10Arbor Day in the Czech RepublicCzech Republic 20.10International Sloth Day 21.10National Annual Tree Loving Day in ThailandThailand 22.10Wombat Day in AustraliaAustralia 23.10International Snow Leopard Day 28.10Prefectural Earthquake Disaster Prevention Day in GifuJapan 31.10International Black Sea Action Day 04.11Arbor Day in SamoaSamoa 05.11National Bison Day in the USUSA 11.11Energy Conservation Day in KazakhstanKazakhstan 11.11International Energy Saving DayKazakhstan 12.11National Tree Day in LuxembourgLuxembourg 12.11Tit Day in RussiaRussia 13.11National Tree Festival in TunisiaTunisia 13.11Tree Day in North MacedoniaMacedonia 15.11National Tree Planting Day in Sri LankaSri Lanka 15.11America Recycles DayUSA 17.11Black Cat Day in ItalyItaly 22.11Arbor Day in the British Virgin IslandsBritish Virgin Island 24.11Walrus Day in RussiaRussia 03.12Global No Pesticides Use Day 04.12Thai Environment DayThailand 04.12International Cheetah Day 10.12International Animal Rights Day 12.12National Tree Planting Day in MalawiMalawi 14.12National Energy Conservation DayIndia