1. Since 1995, on 16 September each year, the International Day for the Preservation of the Ozone Layer is celebrated. This date has been designated by the United Nations General Assembly in its resolution 49/114, to commemorate the signing of the Montreal Protocol on Substances that Deplete the Ozone Layer. This commemoration around the world offers an opportunity to focus attention and action at the global, regional and national levels on the protection of the ozone layer.

  2. In 1994, the United Nations General Assembly declared June 17 the "World Day to Combat Desertification and Drought" to promote public awareness and the implementation of the United Nations Convention to Combat Desertification in Those Countries Experiencing Serious Drought and/or Desertification, Particularly in Africa. Ever since, country Parties to the Convention, organizations of the United Nations System, international and non-governmental organizations and other interested stakeholders have celebrated this particular day with a series of outreach activities worldwide.

  3. The international observance of World Water Day is an initiative that grew out of the 1992 United Nations Conference on Environment and Development (UNCED) in Rio de Janeiro. The United Nations General Assembly designated 22 March of each year as the World Day for Water by adopting a resolution. This world day for water was to be observed starting in 1993, in conformity with the recommendations of the United Nations Conference on Environment and Development contained in chapter 18 (Fresh Water Resources) of Agenda 21. States were invited to devote the Day to implement the UN recommendations and set up concrete activities as deemed appropriate in the national context. Also a number of NGOs have used World Day for Water as a time to focus public attention on the critical water issues.

  4. The World Ocean Day was first proposed in 1992 by the Government of Canada at the Earth Summit in Rio de Janeiro. Although not yet officially designated by the United Nations, an increasing number of countries mark June 8th as an opportunity each year to celebrate the world ocean.

  5. By resolution 44/236 (22 December 1989), the General Assembly designated the second Wednesday of October International Day for Natural Disaster Reduction. The International Day was to be observed annually during the International Decade for Natural Disaster Reduction, 1990-1999. In 2001, the General Assembly decided to maintain the observance of the International Day for Natural Disaster Reduction on the second Wednesday of October (resolution 56/195 of 21 December), as a vehicle to promote a global culture of natural disaster reduction, including disaster prevention, mitigation and preparedness.

  6. The first Tropical Forest Day was celebrated in Germany on 14th of September, 1989.

  7. World Habitat Day is observed every year on the first Monday of October throughout the world. It was officially designated by the United Nations and first celebrated in 1986. The purpose of the day is to reflect on the state of our cities and towns and the basic human right to adequate shelter. It also aims to remind the world of its collective responsibility for the habitat of future generations.

  8. World Consumer Rights Day is an annual occasion for celebration and solidarity within the international consumer movement. World Consumer Rights Day was first observed on 15 March 1983.

  9. "Sun Day" is celebrated every year on 3 May. The "Sun Day" was established by the United Nations Environmental Programme (UNEP) in 1978.

  10. World Vegetarian Day was established as an annual celebration to promote the joy, compassion and life-enhancing possibilities of vegetarianism. The day was originated by the North American Vegetarian Society in 1977 and endorsed by the International Vegetarian Union in 1978. October 1st is the official date, however if necessary, individuals may schedule their event on a nearby date instead.

  11. World Environment Day (WED) is celebrated every year on 5 June in more than 100 countries around the world. World Environment Day was established by the UN General Assembly in 1972 to mark the opening of the Stockholm Conference on the Human Environment and the creation of UNEP. WED is commemorated each year in a different city of the world. The World Environment Day is one of the principal vehicles through which the United Nations stimulates worldwide awareness of the environment and enhances political attention and action. The 6th conference of German environment ministers in 1976 determined that World Environment Day would also be celebrated in Germany.

  12. The 3 March 1973 is the anniversary of the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES). It was launched by a decision to counter the increasing threat to wild fauna and flora by international trade. Since then it has become one of the most effective tools in the fight against the loss of species.

  13. In November 1971, at the request of the European Confederation of Agriculture, FAO'S member governments supported the annual observance of 21 March as World Forestry Day. Since then many nations have adopted this practice.

  14. Responding to widespread environmental degradation, Gaylord Nelson, a United States Senator from Wisconsin and an environmental activist, called for a national day to celebrate the earth, to be held on April 22, 1970. The first Earth Day had 20 million participants and celebrants across the United States. Earth Day is now observed each year on April 22 by more than 500 million people and national governments in 170 countries.

  15. World Day for Laboratory Animals is a United Nations recognized day of international commemoration of the suffering and killing of millions of innocent sentient beings in laboratories throughout the world.

  16. Arbor Day is celebrated in many countries around the world. The idea originally came from Nebraska. Arbor Day was established by J. Sterling Morton in 1872. In November 1951 the Food and Agriculture Organisation (FAO) arranged for all member nations to set aside one particular day each year to celebrate Arbor Day. For Germany it is April 25.

  17. Each year, on 23 March, the World Meteorological Organization, its 188 Members and the worldwide meteorological community celebrate World Meteorological Day. This Day commemorates the entry into force, on that date in 1950, of the WMO Convention creating the Organization. Subsequently, in 1951, WMO was designated a specialized agency of the United Nations System. The United Nations weather agency is marking World Meteorological Day by calling for improvements to climate observation technologies to help people and economies adapt to climate change, climate variability and extreme weather.

  18. World Animal Day was started in 1931 at a convention of ecologists in Florence as a way of highlighting the plight of endangered species. Since then it has grown to encompass all kinds of animal life and is widely celebrated in countries throughout the world. October 4 was chosen as World Animal Day as it is the Feast Day of St Francis of Assisi, the patron saint of animals.