This is a list of environmental dates. These dates are designated for creating awareness of environmental issues. Click on the Names to read details.


  • Earth Hour – At 8:30 pm – 9:30 pm on, 30 March 2019.


World Wetlands Day02-02: February 2
International Polar Bear Day02-27: February 27
World Wildlife Day03-03: March 3
Solar Appreciation DaySecond Friday of March
International Day of Action for Rivers03-14: March 14
World Consumer Rights Day03-15: March 15
World Sparrow Day03-20: March 20
International Day of Forests03-21: March 21
World Planting Day03-21: March 21
World Wood Day03-21: March 21
World Water Day03-22: March 22
Earth Day04-22: April 22
World Fish Migration DayApril 21, 2018
Day of Remembrance for all Victims of Chemical Warfare04-29: April 29
Green Up Day05: first Saturday of May in Vermont
Greenery Day05-04: May 4 in Japan (previously April 29)
World Migratory Bird Daysecond Saturday in May
International Migratory Bird Daysecond Saturday in May (in the U.S. and Canada) and second Saturday in October (in Mexico, Central and South America, and the Caribbean)
International Recycling DayMay 17th, 2017
Endangered Species Day05-19: May 19
International Day for Biological Diversity (World Biodiversity Day)05-22: May 22
World Turtle Day05-23: May 23
European day of parks (Europarc)05-24: May 24
Bike-to-Work Day05: third Friday in May
World Environment Day06-05: June 5
World Oceans Day06-08: June 8
Coral Triangle Day06-09: June 9
Global Wind Day06-15: June 15
World Sea Turtle Day06-16: June 16
World Day to Combat Desertification and Drought06-17: June 17
World Giraffe Day06-21: June 21
World Population Day07-11: July 11
International Tiger Day07-29: July 29
World Lion Day08-10: August 10
World Elephant Day08-12: August 12
World Orangutan Day08-19: August 19
National Honey Bee Day08-22: August 22
Amazon Day09-05: September 5
International Day for the Preservation of the Ozone Layer09-16: September 16
World Cleanup Day09-15: September 15, 2018
World Water Monitoring Day09-18: September 18
Zero Emissions Day09-21: September 21
Car Free Day09-22: September 22
World Rhino Day09-22: September 22
Ecological Debt Day (Earth Overshoot Day)09-23: September 23 in 2008, but receding
World Environmental Health Day09-26: September 26 since 2011 (IFEH)
World Rivers Day09: last Sunday in September
World Habitat Day10: first Monday in October
World Animal Day10-04: October 4
Energy Efficiency Day10-05: October 5 since 2016
International Day for Natural Disaster Reduction10: second Wednesday in October , October 13.
Sustainability Day10: fourth Wednesday of October
International Snow Leopard DayOctober 23
International Day of Climate Action10-24: October 24
World Vegan Day11-01: November 1
International Day for Preventing the Exploitation of the Environment in War and Armed Conflict11-06: November 6
America Recycles Day11-15: November 15
World Soil Day12-05: December 5
International Mountain Day12-11: December 11
Ozone Action Dayat certain times during the summer months
eDayvariable date


Green Office Week2016 date, April 18-22
Keep Australia Beautiful WeekLast full week of August
National Green Week02 (first week in February every year in the United States)
National Wildlife Week
National Dark-Sky Week04 (week of new moon in April)
Bike to Work Week Victoria
National Pollinator Weekthird week in June
National Clean Beaches Week, Van Mohatsav Saptah(Forest Festival Week)07-01 to 07-07: July 1 to 7
Conservation Week
European Mobility Week09-16 to 09-22: September 16 to 22
Bike Week06: second week in June
Recycle Week06: 20 to 26 June 2011
Zero Waste Weekfirst week of September
Green Office Week
European Week for Waste Reduction (EWWR)11: 9 days, last complete week in November
No Car Day09: China, week of September 22
World Water Week in Stockholm08 or 09: each year in August or September
National Op Shop Week (Australia)August 21st – 27th


International Polar Year1882–1883
International Polar Year1932–1933
International Polar Year2007-2008
World Population Year1974
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 Desertification2006
International Year of the Dolphin2007–2008
International Polar Year2007–2009
International Year of Planet Earth2008
International Year of Sanitation2008
International Year of Natural Fibres 2009
Year of the Gorilla2009
International Year of Biodiversity2010
International Year of Forests2011
International Year of Soils2015
International Year of Pulses2016
International Year of Sustainable tourism for all2017


International Drinking Water Decade, 1981-19901980s
International Decade for Natural Disaster Reduction1990s
United Nations Decade of Education for Sustainable Development2005-2014
Water for Life Decade2005-2015
United Nations Decade on Biodiversity2011-2020
United Nations Decade for Deserts and the Fight against Desertification2010-2020