From Donut Day to World Emoji Day, there are all kinds of national and world theme days to celebrate. Whatever the occasion is, people love to get involved and share a post to be a part of the conversation. While we may not relate to all of them, there are some days genuinely doing good and creating positive change in the world that everyone can support. From Earth Day to World Environment Day, those that focus on environmental issues and sustainability are days that we should all get behind and here's why. As stated in pewresearch.org, millennials now represent the largest share of the American workforce. A generation with a strong sense of social and environmental responsibility who are looking to connect with brands and organizations that share their values. If it's important for you to connect with them, then this list of days will help you get started. Add them to your calendar, so you'll never miss out on an opportunity to share your commitment to corporate sustainability and environmental awareness. January 5 - National Bird Day: A great day to focus on raising awareness for the many bird species that may face extinction in the next century. #NationalBirdDay February\u00a0 2 - World Wetlands Day: Raise public awareness about the importance and value of wetlands. #WorldWetlandsDay February 27 - International Polar Bear Day: Draw attention to the challenges polar bears face with climate change and the importance of conservation efforts. #PolarBearDay March 3 - World Wildlife Day: Celebrate and raise awareness of the world\u2019s wild animals and plants. The biggest threat to wildlife is the loss of habitat. #WorldWildlifeDay March 18: National BioDiesel Day: Biodiesel is a cleaner-burning, petroleum-free alternative to diesel made from animal fat, vegetable oil, or recycled cooking oil. #NationalBiodieselDay April - Keep America Beautiful Month: Encourage people to take action every day to improve and beautify their community environment. #DoBeautifulThings April 14 National Dolphin Day: Can be used to promote ocean awareness. April 22 - Earth Day: Spread awareness about environmental issues and encourage actions for a greener future. Learn more about Earth Day here. #EarthDay Last Friday of April - National Arbor Day: Encourage planting and protecting trees. #ArborDay May - National Bike Month: Promote reducing emissions by riding bikes. Third Full Week of May - National Bike to Work Week: A great time to start a company initiative to reduce emissions. Second Saturday of May - World Fair Trade Day: Promote sustainable farming. #fairtradeday #agentforchange May 16 - National Love a Tree Day: Celebrate and recognize the significant role they play in reducing erosion, moderating the climate, and cleaning the air. #LoveATreeDay Third Friday of May - National Endangered Species Day: Share and educate about the value of protecting endangered species and their habitats. #EndangeredSpeciesDay May 22 - International Day for Biological Diversity Day: A United Nations\u2013sanctioned day for the promotion of biodiversity issues. #BiologicalDiversityDay May 23 - World Turtle Day: Bring attention to and increase awareness for the protection of all species of tortoise and turtles. #WorldTurtleDay June 5 - World Environment Day: A global celebration of nature and worldwide awareness for the protection of our environment. #WorldEnvironmentDay June 8 - World Oceans Day: A global day of ocean celebration and awareness of ocean health for a better future. #WorldOceansDay July 11 - World Population Day: Focus attention on the urgency and importance of population issues for a sustainable future. #WorldPopulationDay August - National Water Quality Month: Encourage the protection of sources of freshwater. #WaterQualityMonth August 12 - World Elephant Day: Dedicated to the preservation and protection of the world's elephants. #WorldElephantDay Third Full Week of September - Pollution Prevention Week: Highlights the many efforts of EPA, its state partners, industry and citizens to prevent pollution and encourage sustainability. #P2week Last Week of September - Sea Otter Awareness Week: Dedicated to increasing awareness about the important role they play in ecosystems and the threats they face. #SeaOtterAwarenessWeek September 4 - National Wildlife Day: Bring awareness to the world's endangered animals and the importance of respecting and protecting all animals. #WildlifeDay September 15 - World Cleanup Day: Volunteers and partners worldwide will come together to rid our planet of trash \u2013 cleaning up litter and mismanaged waste from our beaches, rivers, forests, and streets. #WorldCleanupDay September 18 - World Water Monitoring Day: Created by America\u2019s Clean Water Foundation to raise awareness of water pollution issues and get people to test their local bodies of water. #WorldWaterMonitoringDay First Monday in October - World Habitat Day: Promote sustainable development policies that ensure adequate shelter for all. #WorldHabitatDay October 4 - World Animal Day: Mission is to raise the status of animals to improve welfare standards around the globe. #WorldAnimalDay October 28 - National Make a Difference Day: The goal is to unite people to make a difference in their community. Can be used to encourage actions for local environmental issues. #MDDAY November 15 - America Recycles Day: Dedicated to promoting and celebrating recycling in the United States. #AmericaRecyclesDay December 5 - World Soil Day: Raise awareness about issues affecting soils and its essential role ecosystems. #WorldSoilDay Special Days Great for Seed Paper Promotions While any day that focuses on sustainability and environmental awareness is perfect for plantable promotions, there are a few that are also fun to promote with seed paper because they tie into the planting side of things. If you're looking for some fun and fitting times to share seed paper promotions that grow, these days are perfect! March 12 - National Plant a Flower Day: Dedicated to planting flowers and looking forward to spring. #PlantAFlowerDay IDEA: Share a seed paper promotion in the winter months with a call to plant it on this day and post it on social media. April - Lawn & Garden Month: Celebrate that time when we all get outside more and anticipate the rebirth of all things green. IDEA: Share herb and veggie seed paper promotions to celebrate this month. First Full Week of May - National Wildflower Week: A whole week dedicated to the pretty wild blossoms that bring landscapes to life. #NationalWildflowerWeek IDEA: This week is a great time to pass out plantable giveaways embedded with wildflower seeds. May 30 - National Water A Flower Day: As the flowers bloom, they will need a good drink. This day is a good reminder to keep them hydrated. Learn more about how you can incorporate this special, eco-friendly paper into your next corporate promotion by subscribing to our newsletter\u00a0and downloading our full Seed Paper Promotions Catalog.