International Day events
International Day of Clean Air for Blue Skies
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Saturday 7th September 2024
00:00 - 23:59
UN Member States recognize the need to substantially reduce the number of deaths and illnesses from hazardous chemicals and air, water and soil pollution and contamination by 2030, as well as to reduce the adverse per capita environmental impact of cities, including by paying special attention to air quality and municipal and other waste management by 2030.
Clean air is important for the health and day-to-day lives of people, while air pollution is the single greatest environmental risk to human health and one of the main avoidable causes of death and disease globally. Air pollution disproportionately affects women, children and older persons, and also has a negative impact on ecosystems.
International Day of the World’s Indigenous Peoples
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Saturday 9th August 2025
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In order to raise awareness of the needs of these population groups, every 9 August commemorates the International Day of the World’s Indigenous Peoples. This date, adopted in December 1994 by UN General Assembly resolution 49/214, marks the date of the first meeting of the UN Working Group on Indigenous Populations of the Sub-Commission on the Promotion and Protection of Human Rights held in Geneva in 1982.
Violations of the rights of the world’s Indigenous Peoples have become a persistent problem, sometimes because of a historical burden from their colonization backgrounds and others because of the contrast with a constantly changing society. In response to this problem, let’s remember every August 9 that Indigenous Peoples have the right to make their own decisions and carry them out meaningfully and culturally appropriate to them.
International Day for the Conservation of the Mangrove Ecosystem
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Saturday 26th July 2025
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The International Day for the Conservation of the Mangrove Ecosystem, adopted by the General Conference of UNESCO in 2015 and celebrated each year on 26 July, aims to raise awareness of the importance of mangrove ecosystems as “a unique, special and vulnerable ecosystem” and to promote solutions for their sustainable management, conservation and uses.
Mangroves are rare, spectacular and prolific ecosystems on the boundary between land and sea. These extra ordinary ecosystems contribute to the wellbeing, food security, and protection of coastal communities worldwide. They support a rich biodiversity and provide a valuable nursery habitat for fish and crustaceans. Mangroves also act as a form of natural coastal defense against storm surges, tsunamis, rising sea levels and erosion. Their soils are highly effective carbon sinks, sequestering vast amounts of carbon.
Yet mangroves are disappearing three to five times faster than overall global forest losses, with serious ecological and socio-economic impacts. Current estimates indicate that mangrove coverage has been divided by two in the past 40 years.
NAIDOC Week 2024
Australia
Sunday 7th July 2024 - Sunday 14th July 2024
7th Jul @ 00:00 - 14th Jul @ 23:59
National NAIDOC Week celebrations are held across Australia in the first week of July each year (Sunday to Sunday), to celebrate and recognise the history, culture and achievements of Aboriginal and Torres Strait Islander peoples. NAIDOC Week is an opportunity for all Australians to learn about First Nations cultures and histories and participate in celebrations of the oldest, continuous living cultures on earth.
This year’s theme chosen by the National NAIDOC Committee, is “Keep the Fire Burning! Blak, Loud & Proud”.
The theme honours the enduring strength and vitality of First Nations culture – with fire a symbol of connection to Country, to each other, and to the rich tapestry of traditions that define Aboriginal and Torres Strait Islander peoples.
International Day of Cooperatives
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Saturday 6th July 2024
00:00 - 23:59
International Day of Cooperatives is celebrated on the first Saturday of July every year. It was first celebrated under the auspices of the United Nations in 2005, though its history as a day celebrated by the international cooperative movement and the International Co-operative Alliance goes back to 1923. The aim of the International Day is to increase awareness on cooperatives and and promote the values and principles that make the cooperative model suitable for advancing sustainable development. The International Day also aims to strengthen and extend partnerships between the international cooperative movement and other actors, including international organizations, and governments and social partners, at local, national and international levels.
Each year the theme of the International Day of Cooperatives is determined by the Committee on the Promotion and Advancement of Cooperatives (COPAC) , of which the ILO is a member.
International Day of the Tropics
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Saturday 29th June 2024
00:00 - 23:59
The International Day of the Tropics celebrates the extraordinary diversity of the tropics while highlighting unique challenges and opportunities nations of the Tropics face. It provides an opportunity to take stock of progress across the tropics, to share tropical stories and expertise and to acknowledge the diversity and potential of the region.
The Tropics are a region of the Earth, roughly defined as the area between the tropic of Cancer and the tropic of Capricorn. Although topography and other factors contribute to climatic variation, tropical locations are typically warm and experience little seasonal change in day-to-day temperature. An important feature of the Tropics is the prevalence of rain in the moist inner regions near the equator, and that the seasonality of rainfall increases with the distance from the equator. The tropical region faces several challenges such as climate change, deforestation, logging, urbanisation and demographic changes.
World Rainforest Day
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Sunday 22nd June 2025
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Founded in 2017 by Rainforest Partnership, World Rainforest Day celebrates the importance of healthy, standing rainforests for climate, biodiversity, culture, and livelihoods— and convenes a global movement to protect and restore them.
Celebrated annually on June 22, this day highlights rainforests and their critical role in safeguarding our future on this planet, showcases innovative and emerging solutions for their protection, and inspires individual and collective actions around the world for holistic forest impact.
Sustainable Gastronomy Day
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Tuesday 18th June 2024
00:00 - 23:59
The UN General Assembly adopted on 21 December 2016 its resolution A/RES/71/246 and designated 18 June as an international observance, Sustainable Gastronomy Day.
The decision acknowledges gastronomy as a cultural expression related to the natural and cultural diversity of the world.
As for the FAO, the Organization promotes green culture diets that are not only healthy, but sustainable and suggests that countries that already have dietary guidelines should begin to consider a process of incorporating sustainability into them.
ICLEI World Congress 2024
São Paulo (Brazil)
Tuesday 18th June 2024 - Friday 21st June 2024
18th Jun @ 00:00 - 21st Jun @ 23:59
ICLEI – Local Governments for Sustainability is a global network working with more than 2500 local and regional governments committed to sustainable urban development. Active in 125+ countries, they influence sustainability policy and drive local action for low emission, nature-based, equitable, resilient and circular development. Every three years, the ICLEI World Congress showcases how local and regional governments across our network are advancing sustainable urban development worldwide.
World Day to Combat Desertification and Drought
Tuesday 17th June 2025
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Desertification, land degradation, and drought are among the most pressing environmental challenges of our time, with up to 40% of all land area worldwide already considered degraded.
Healthy land not only provides us with almost 95% of our food but so much more: it clothes and shelters us, provides jobs and livelihoods, and protects us from the worsening droughts, floods and wildfires.
At the same time, growing populations coupled with unsustainable production and consumption patterns fuel demand for natural resources, putting excessive pressure on land to the point of degradation. Desertification and drought are driving forced migration, putting tens of millions of people each year at risk of displacement.
Of the world’s 8 billion inhabitants, over one billion of young people under the age of 25 years live in developing countries, particularly in regions directly dependent on land and natural resources for sustenance. Creating job prospects for rural populations is a viable solution that gives young people access to eco-entrepreneurship opportunities and at the same time to scale up best practices.
This year, the theme of the Desertification and Drought Day “United for Land. Our Legacy. Our Future” spotlights the future of land stewardship — our most precious resource to ensure the stability and prosperity of billions of people around the world.
World Oceans Day
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Sunday 8th June 2025
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World Ocean Day catalyzes collective action for a healthy ocean and a stable climate, working in collaboration with youth leaders and a wide range of organizations. World Ocean Day belongs to all groups and individuals, collectively, everywhere. It’s about how we can create a better future with an abundant ocean and a stable climate, by working together.
International Day for the Fight against Illegal, Unreported and Unregulated Fishing
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Wednesday 5th June 2024
00:00 - 23:59
Fisheries provide a vital source of food, employment, recreation, trade and economic well-being for people throughout the world. In a world of growing population and persistent hunger, fish has emerged as an important commodity for the achievement of food security. However, efforts by the international community to ensure the sustainability of fisheries are being seriously compromised by illegal, unreported and unregulated fishing activities.
According to the UN Food and Agriculture Organization (FAO) illegal, unreported and unregulated fishing activities are responsible for the loss of 11–26 million tonnes of fish each year, which is estimated to have an economic value of US$10–23 billion. To curtail this impact, Target 4 of Goal 14 of the Sustainable Development Agenda adopted in 2015 by the UN General Assembly, specifically urges the international community to “effectively regulate harvesting and end overfishing, illegal, unreported and unregulated fishing and destructive fishing practices”.