This is a calendar of recurring national and international days of interest.
You can use this to theme and time your events, projects and awareness campaigns.

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National Biodiversity Week

National Biodiversity Week is all about connecting people with nature. It’s about communicating the importance of biodiversity and motivating people to play their part in protecting it. It’s also about entertaining them, showing the fun and wonder that can be found in nature, and inspiring people to learn more, see more, do more.

International Day for Biological Diversity

The United Nations has proclaimed May 22 The International Day for Biological Diversity (IDB) to increase understanding and awareness of biodiversity issues. National Biodiversity Week takes place each year at this time, with events throughout the week, biodiversity photographer of the year competition, and more.

World Turtle Day

The day was created as a yearly observance to help people celebrate and protect turtles and tortoises and their disappearing habitats around the world.

Fish Migration Day

Get ready! This next May 25th 2024 we are globally celebrating opening up rivers and recovering migratory fish populations. Together we have created an enormous movement, connecting hundreds of thousands of people around the world with the same interest: protecting rivers and fish. This day is celebrated globally every two years.

Butterfly Education and Awareness Day

Butterfly Education and Awareness Day (BEAD) is the first Saturday in June of each year. In an effort to raise public awareness about the benefits and necessity of butterfly conservation, the Association For Butterflies hereby declares the first Saturday of June as Butterfly Education and Awareness Day (BEAD). We believe that with the creation of a international day to celebrate butterflies we will promote the importance and joy of butterfly gardening and habitat creation/restoration.

World Environment Day

Since 1974, World Environment Day has been celebrated every year on 5 June, engaging governments, businesses, and citizens to address pressing environmental issues. This planet is our only home, and we must safeguard its finite resources. #OnlyOneEarth.

World Refill Day

This World Refill Day, choose to reuse and join millions of people around the world taking action to reduce plastic pollution. World Refill Day is a global public awareness campaign to prevent plastic pollution and help people live with less waste.

World Day to Combat Desertification and Drought

The World Day to Combat Desertification and Drought is observed on 17 June each year to promote public awareness of international efforts to combat desertification. The day offers a chance to recognize that land degradation neutrality is achievable through problem-solving, strong community involvement and co-operation at all levels.  

World Rainforest Day

World Rainforest Day is an opportunity to celebrate this precious natural resource each year and take action to preserve it. Our worldwide network of partner organizations is a catalyst for inspiring individuals and societies across the globe to take part in sustainable changes. Together we will create a positive impact on rainforests for years to come.

If you know of any other dates of interest please let us know and we will add them to the calendar. Email