International Day events
10th anniversary of the Paris Agreement
Friday 12th December 2025
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The Paris Agreement was adopted on December 12, 2015, at the UN Climate Change Conference (COP21) in Paris. It was signed on April 22, 2016, at the United Nations headquarters in New York and came into force on November 4, 2016. The agreement’s main objectives are to limit the global average temperature increase to well below 2°C above pre-industrial levels and to strive to keep the temperature rise to 1.5°C above pre-industrial levels. These ambitious targets are essential for reducing the severe impacts of climate change and promoting a sustainable future for all.
World Nature Conservation Day
Friday 25th July 2025
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World Nature Conservation Day acknowledges that a healthy environment is crucial for a stable and healthy society. It’s a chance to raise awareness about the importance of protecting our planet’s natural resources: air, sunlight, soil, minerals, fuels, and water.
International Mountain Day
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Thursday 11th December 2025
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The United Nations General Assembly designated 11 December “International Mountain Day”. As of 2003, it has been observed every year to create awareness about the importance of mountains to life, to highlight the opportunities and constraints in mountain development and to build alliances that will bring positive change to mountain peoples and environments around the world.
The Food and Agriculture Organization of the United Nations (FAO) is the coordinating agency for the preparation and animation of this celebration and is mandated to lead observance of it at the global level. The Mountain Partnership Secretariat in the FAO Forestry Division is responsible for coordinating this international process.
Human Rights Day
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Tuesday 10th December 2024
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Human Rights Day is observed every year on 10 December – the day on which the United Nations General Assembly adopted, in 1948, the Universal Declaration of Human Rights.
The Universal Declaration of Human Rights empowers us all. The principles enshrined in the Declaration are as relevant today as they were in 1948. We need to stand up for our own rights and those of others. We can take action in our own daily lives, to uphold the rights that protect us all and thereby promote the kinship of all human beings.
World Soil Day
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Friday 5th December 2025
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World Soil Day (WSD) is held annually on 5 December as a means to focus attention on the importance of healthy soil and to advocate for the sustainable management of soil resources.
An international day to celebrate soil was recommended by the International Union of Soil Sciences (IUSS) in 2002. Under the leadership of the Kingdom of Thailand and within the framework of the Global Soil Partnership, FAO has supported the formal establishment of WSD as a global awareness raising platform. The FAO Conference unanimously endorsed World Soil Day in June 2013 and requested its official adoption at the 68th UN General Assembly. In December 2013, the UN General Assembly responded by designating 5 December 2014 as the first official World Soil Day.
International Day for Preventing the Exploitation of the Environment in War and Armed Conflict
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Thursday 6th November 2025
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The United Nations Environment Programme (UNEP) has found that over the last 60 years, at least 40 percent of all internal conflicts have been linked to the exploitation of natural resources, whether high-value resources such as timber, diamonds, gold and oil, or scarce resources such as fertile land and water. Conflicts involving natural resources have also been found to be twice as likely to relapse.
The United Nations attaches great importance to ensuring that action on the environment is part of conflict prevention, peacekeeping and peacebuilding strategies, because there can be no durable peace if the natural resources that sustain livelihoods and ecosystems are destroyed.
On 5 November 2001, the UN General Assembly declared 6 November of each year as the International Day for Preventing the Exploitation of the Environment in War and Armed Conflict (A/RES/56/4).
World Food Day
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Thursday 16th October 2025
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Collective action across 150 countries worldwide, in up to 50 languages, is what makes World Food Day one of the most celebrated days of the UN calendar. Hundreds of events and outreach activities bring together governments, municipalities, businesses, CSOs, the media, the public, even youth. They promote worldwide awareness of hunger and promote action for the future of food, people and the planet.
International Day for Disaster Risk Reduction
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Monday 13th October 2025
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The International Day for Disaster Risk Reduction was started in 1989, after a call by the United Nations General Assembly for a day to promote a global culture of risk-awareness and disaster reduction. Held every 13 October, the day celebrates how people and communities around the world are reducing their exposure to disasters and raising awareness about the importance of reining in the risks that they face
World Habitat Day
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Monday 6th October 2025
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The United Nations designated the first Monday of October of every year as World Habitat Day to reflect on the state of our habitats, and on the basic right of all to adequate shelter. The Day is also intended to remind the world that we all have the power and the responsibility to shape the future of our cities and towns.
In 1985 the United Nations designated the first Monday of October every year as World Habitat Day. The idea is to reflect on the state of our towns and cities and the basic right of all to adequate shelter. It is also intended to remind the world of its collective responsibility for the future of the human habitat.
International Day of Awareness of Food Loss and Waste
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Monday 29th September 2025
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Food loss and waste undermine the sustainability of our food systems. When food is lost or wasted, all the resources that were used to produce this food – including water, land, energy, labour and capital – go to waste. In addition, the disposal of food loss and waste in landfills, leads to greenhouse gas emissions, contributing to climate change. Food loss and waste can also negatively impact food security and food availability, and contribute to increasing the cost of food.
Our food systems cannot be resilient if they are not sustainable, hence the need to focus on the adoption of integrated approaches designed to reduce food loss and waste. Actions are required globally and locally to maximise the use of the food we produce. The introduction of technologies, innovative solutions (including e-commerce platforms for marketing, retractable mobile food processing systems), new ways of working and good practices to manage food quality and reduce food loss and waste are key to implementing this transformative change.
International Day for the Preservation of the Ozone Layer
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Tuesday 16th September 2025
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In 1994, the United Nations General Assembly proclaimed 16 September the International Day for the Preservation of the Ozone Layer, commemorating the date of the signing, in 1987, of the Montreal Protocol on Substances that Deplete the Ozone Layer (resolution 49/114).
The principal aim of the Montreal Protocol is to protect the ozone layer by taking measures to control total global production and consumption of substances that deplete it, with the ultimate objective of their elimination on the basis of developments in scientific knowledge and technological information. It is structured around several groups of ozone-depleting substances. The groups of chemicals are classified according to the chemical family and are listed in annexes to the Montreal Protocol text. The Protocol requires the control of nearly 100 chemicals, in several categories. For each group or annex of chemicals, the Treaty sets out a timetable for the phase-out of production and consumption of those substances, with the aim of eventually eliminating them completely.
International Youth Day
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Tuesday 12th August 2025
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International Youth Day is commemorated every year on 12 August, bringing youth issues to the attention of the international community and celebrating the potential of youth as partners in today’s global society.
The idea for International Youth Day was proposed in 1991 by the young people who were gathered in Vienna, Austria, for the first session of the World Youth Forum of the United Nations System. The Forum recommended that an International Youth Day be declared, especially for fund-raising and promotional purposes, to support the United Nations Youth Fund in partnership with youth organizations.