National Electricity Day
|
January 9
|
International Zebra Day[2][3][4] |
01-31: January 31
|
World Aquatic Animal Day[5] |
04-03: April 3
|
World Ostrich Day |
02-02: February 2
|
World Wetlands Day |
02-02: February 2
|
World Pangolin Day[6][7] |
Third Saturday of February
|
World Bonobo Day[8][9][10] |
02-14: February 14
|
World Hippopotamus Day[11][12][13] |
02-15: February 15
|
International Polar Bear Day |
02-27: February 27
|
World Wildlife Day |
03-03: March 3
|
Solar Appreciation Day[14][15][16] |
Second Friday of March
|
International Day of Action for Rivers[17] |
03-14: March 14
|
World Consumer Rights Day |
03-15: March 15
|
Buzzards Day[18][19] |
03-15: March 15
|
National Panda Day[20][21][22] |
03-16: March 16
|
Global Recycling Day[23] |
03-18: March 18th
|
Taxonomist Appreciation Day[24] |
03-19 : March 19
|
World Sparrow Day |
03-20: March 20
|
World Frog Day[25][26][27] |
03-20: March 20
|
International Day of Forests |
03-21: March 21
|
World Planting Day[28][29][30] |
03-21: March 21
|
World Wood Day |
03-21: March 21
|
World Water Day |
03-22: March 22
|
International Seal Day[31] |
03-22: March 22
|
World Bear Day[32] |
March 23: 03-23
|
World Meteorological Day |
03-23: March 23
|
Manatee Appreciation Day[33][34][35] |
03: Last Wednesday in March
|
International Beaver Day[36][37] |
04-07: April 7
|
Zoo Lovers Day[38][39] |
04-08: April 8
|
Arbor Day |
04-10: April 10
|
Bat Appreciation Day[40][41] |
04-17: April 17
|
World Fish Migration Day |
April 21, 2018
|
Earth Day |
04-22: April 22[42]
|
World Tapir Day[43][44][45] |
04-27: April 27
|
International Hyena Day[46] |
04-27: April 27
|
Day of Remembrance for all Victims of Chemical Warfare |
04-29: April 29
|
Green Up Day |
05: First Saturday of May in Vermont
|
World Tuna Day[47][48][49] |
05-02: May 2
|
International Leopard Day[50] |
05-03: May 3
|
Wild Koala Day[51][52] |
05-03: May 3
|
Greenery Day |
05-04: May 4 in Japan (previously April 29)
|
World Donkey Day[53] |
05-08: May 8
|
World Migratory Bird Day[54] |
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.
|
Endangered Species Day[55] |
05: Third Friday of May
|
World Bee Day |
05-20: May 20
|
International Day for Biological Diversity (World Biodiversity Day) |
05-22: May 22
|
World Turtle Day |
05-23: May 23
|
European Day of Parks - Europarc Federation[56] |
05-24: May 24
|
Bike-to-Work Day |
05: Third Friday of May
|
World Otter Day[57] |
05-27: May 27
|
World No Tobacco Day |
05-31:May 31
|
World Parrot Day[58][59][60] |
05-31: May 31 since 2004
|
World Environment Day |
06-05: June 5
|
World Oceans Day |
06-08: June 8
|
Coral Triangle Day |
06-09: June 9
|
National Cougar Day[61] |
06-12: June 12
|
Global Wind Day |
06-15: June 15
|
World Sea Turtle Day[62] |
06-16: June 16
|
World Day to Combat Desertification and Drought |
06-17: June 17
|
World Croc Day[63] |
06-17: June 17
|
World Giraffe Day[64][65][66] |
06-21: June 21
|
International Climate Change Day |
06-21: June 21
|
World Camel Day[67][68][69] |
06-22: June 22
|
World Rainforest Day[70][71][72] |
06-22: June 22
|
World Population Day |
07-11: July 11
|
Shark Awareness Day[73][74][75][76] |
07-14: July 14
|
World Chimpanzee Day[77][78][79] |
07-14: July 14
|
World Orca Day[80]
|
07-14: July 14
|
World Nature Conservation Day[81]
|
07-28: July 28
|
International Tiger Day |
07-29: July 29
|
World Ranger Day - International Ranger Federation |
July 31: 07-31
|
International Clouded Leopard Day[82][83] |
08-04: August 4
|
World Lion Day[84] |
08-10: August 10
|
World Elephant Day |
08-12: August 12
|
World Hirola Day[85] |
08-12: August 12
|
International Wolf Day[86][87] |
08-13: August 13
|
World Orangutan Day[88] |
08-19: August 19
|
National Honey Bee Day |
08-15: August 15
|
World African Wild Dog Day[89] |
08-26: August 26
|
International Whale Shark Day[90][91] |
08-30: August 30
|
Japan Dolphin Day[92][93] |
09-01: September 1
|
Amazon Rainforest Day[94] |
09-05: September 5
|
International Vulture Awareness Day[95][96][97] |
09: First Saturday of September
|
International Day for the Preservation of the Ozone Layer |
09-16: September 16
|
World Water Monitoring Day |
09-18: September 18
|
PARK(ing) Day[98][99][100] |
09: September 20, 2019, Third Friday in September
|
World Cleanup Day[101] |
09: September 21, 2019, Third Saturday in September
|
National Cleanup Day[102] |
09: September 21, 2019, Third Saturday in September
|
International Red Panda Day[103] |
09: Third Saturday of September
|
Zero Emissions Day[104] |
09-21: September 21
|
Car Free Day |
09-22: September 22
|
World Rhino Day[105] |
09-22: September 22
|
Ecological Debt Day (Earth Overshoot Day) |
09-23: September 23 in 2008, but receding
|
World Gorilla Day[106][107][108] |
09-24: September 24
|
World Environmental Health Day[109] |
09-26: September 26 since 2011 (IFEH)[110]
|
World Cassowary Day[111][112] |
09-26: September 26
|
World Rivers Day[113] |
09: Last Sunday of September
|
World Farm Animals Day[114] |
10-02: October 2
|
World Habitat Day |
10: First Monday of October
|
World Animal Day |
10-04: October 4
|
Energy Efficiency Day[115] |
10: First Wednesday in October
|
International Day for Natural Disaster Reduction |
10-13: October 13
|
International E-Waste Day[116][117][118] |
10-14: October 14
|
Sustainability Day[119] |
10: Fourth Wednesday of October
|
World Okapi Day[120][121] |
10-18: October 18
|
International Sloth Day[122][123][124] |
10-20: October 20
|
National Reptile Awareness Day[125][126] |
10-21: October 21
|
International Wombat Day[127] |
10-22: October 22
|
International Snow Leopard Day[128][129] |
10-23: October 23
|
Freshwater Dolphin Day[130] |
10-24: October 24
|
International Gibbon Day[131][132][133] |
10-24: October 24
|
International Day of Climate Action |
10-24: October 24
|
World Lemur Day[134][135] |
10: Last Friday of October
|
World Vegan Day |
11-01: November 1
|
International Day for Preventing the Exploitation of the Environment in War and Armed Conflict |
11-06: November 6
|
National Bison Day |
11: First Saturday in November
|
America Recycles Day |
11-15: November 15
|
World Fisheries Day[136] |
11-21: November 21
|
International Jaguar Day[137][138]
|
11-29: November 29
|
International Cheetah Day[139][140] |
12-04: December 4
|
World Soil Day[141] |
12-05: December 5
|
International Mountain Day |
12-11: December 11
|
Monkey Day |
12-14: December 14
|
Ozone Action Day |
Variable date depending weather conditions
|
eDay - Electronic Waste Day |
Variable date, in New Zealand
|