23 January: Ocean Exploration Day - Photo: Islands in the Stream Expedition 2002/NOAA Office of Ocean Exploration
2 February: World Wetlands Day - Photo: Tyler Butler/Unsplash
3rd Sunday in February: World Whale Day - Photo: Todd Cravens/Unsplash
27 February: World Polar Bear Day - Photo: Hans-Jurgen Maler/Unsplash
1 March : World Seagrass Day - Photo: Benjamin L. Jones/Unsplash
3 March: World Wildlife Day - Photo: Richard Barnden/Ocean Image Bank
9 March: International Day of Rivers - Photo: Dan Roizer/Unsplash
21 March: World Day for Glaciers - Photo: Agustín Lautaro/Unsplash
22 March: World Water Day - Photo: Joshua Gaunt/Unsplash
22 March: World Seal Day - Photo: Keith Luke/Unsplash
last Wednesday of March: international manatee day - Photo: NOAA/Unsplash
14 April: National Dolphin Day - Photo: Jonas von Werne/Unsplash
22 April: Earth Day - Photo: NASA/Unsplash
25 April: World Penguin Day - Photo: Cornelius Ventures/Unsplash
27 April: Marine Mammal Rescue Day - Photo: Mendar Bouchali/Unsplash
27 April: Noise Awareness Day - Photo: Frederic Filix/Unsplash
2 May: World Tuna Day - Photo: Kate/Unsplash
7 May: Deep Sea Conservation Coalition's Deep Day - Photo: NOAA/OKEANOS EXPLORER Program, Oceano Profundo 2015
8 May: Empty the Tanks Day - Photo: Boris Drobnič/Unsplash
19 April: Endangered Species Day - Photo: Jonas Allert/Unsplash
22 May: International Biodiversity Day - Photo: Kyaw Tun/Unsplash
1 June: International Coral Reef Day - Photo: Francesco Ungaro/Unsplash
5 June: World Environment Day - Photo: Francesco Ungaro/Unsplash
5 June: International Day for the Fight against IUU Fishing - Photo: Paul Einerhand/Unsplash
8 June: World Ocean Day - Photo: Anastasia Taioglou/Unsplash
16 June: World Sea Turtle Day - Photo: Kris-Mikael Krister/Unsplash
14 July: World Shark Day - Photo: Oleksandr Sushko/Unsplash
26 July: International Day for the Conservation of the Mangrove Ecosystem - Photo: Matt Curnock/Ocean Image Bank
28 July: World Nature Conservation Day - Photo: Pascal van de Vendel/Unsplash
11 August: World Krill Day - Photo: Øystein Paulsen/Only One
30 August: World Whale Shark Day - Photo: Sebastian Pena Lambarri/Unsplash
17 September: Manta Ray Day - Photo: Mohamed Nashah
3rd Saturday in September: Coastal Cleanup Day - Photo: Ocean Image Bank
29 September: International Maritime Day - Photo: Venti Views/Unsplash
2 October: World Habitat Day - Photo: Yanguang Lan/Unsplash
8 October: World Octopus Day - Photo: Umead Mistry/Ocean Image Bank
3 November: World Jellyfish Day - Photo: Nikolay Kovalenko/Unsplash
16 November: Deep Sea Day - Photo: NOAA Okeanos Explorer Program
21 November: World Fisheries Day - Photo: Serg Zhukov/Unsplash
1 December: Antarctica Day - Photo: Long Ma/Unsplash
4 December: World Wildlife Conservation Day - Photo: Raimond Klavins/Unsplash