International Day for Biological Diversity

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Mark your calendar: May 22 is International Day for Biodiversity!

The United Nations International Day for Biological Diversity is celebrated each year on May 22nd to increase understanding, awareness, and positive action surrounding biodiversity issues.

Theme for 2019: Our Biodiversity, Our Food, Our Health

Biodiversity is the foundation of our food system, it provides us with the building blocks of our medicines, and is essential to our well-being. This year's theme was chosen to help raise awareness of the importance of nature for our food and for our health.

Events and information

Organizations across Canada and around the world are planning events on or around May 22 to celebrate biodiversity. Let us know about any events happening near you and we will post them on this page!

Can’t find an International Day for Biodiversity event happening near you? Organize your own! Have a look at our Event Planning Guide for tips on how to organize a great celebration in your community. Check out Biodiversity Education and Awareness Network for more tips and resources on International Day for Biodiversity events and event planning (specific to Ontario).

More information and resources related to the annual theme are available at the Convention on Biological Diversity web site.