World's Important Days on nature, environment and Conservation
| February 2 | World Wetland Day |
| February 12 | Darwin Day |
| March 21 | World Forestry Day |
| March 22 | World Water Day |
| March 23 | World Meteorological Day |
| April 18 | World Heritage Day |
| April 22 | Earth Day |
| May-03 | International Sun Day |
| May-22 | International Day for Biological Diversity |
| May-23 | World Turtle Day |
| June 5 | World Environment Day |
| June 8 | World Ocean Day |
| June 17 | World Combat Day to Desertification and Drought |
| July 11 | World Population Day |
| July 28 | World Nature Conservation Day |
| August 6 | Anti Nuclear Day |
| August 6 | Hiroshima Day |
| August 9 | Nagasaki Day |
| August 9 | International Day of the World’s Indigenous People |
| August 20 | World Mosquito Day |
| September 2 | Coconut Day |
| September 16 | World Ozone Day |
| September 21 | World Peace Day |
| September 21 | World Alzheimer's Day |
| September 22 | Car Free Day |
| September 24 | World Heart Day |
| September 24 | World Clean-up Day |
| September 27 | World Tourism Day |
| September 28 | Right to Know Day |
| October 2 | World Animal Day |
| October 3 | World Habitat Day |
| October 4 | World Animal Welfare Day |
| October 13 | International Day for Natural Disaster Reduction |
| October 16 | World Food Day |
| October 24 | UN Day |
| October 24 | World Development Information Day |
| November 6 | International Day for Preventing the Exploitation of the Environment in War and Armed Conflict |
| November 16 | International Day for Tolerence |
| November 21 | World Fisheries Day |
| December 3 | World Conservation Day |
| December 10 | Human Rights Day |
| December 11 | International Mountain Day |
| December 14 | World Energy Day |
| December 29 | International Biodiversity Day |
