International Mountain Day

Home to 15% of the world´s population, mountains host about half of the world’s biodiversity hotspots and provide freshwater to half of humanity. Of the 20 plant species that supply 80% of the world’s food, six originated and have been diversified in...

World Toilet Day

4.2 billion people — over half the world’s population — lack safe sanitation. 3 billion people — 40% of the world’s population — live without basic handwashing facilities with soap and water available at home. 800 children die each...

International Day for Disaster Risk Reduction

According to the United Nations Office for Disaster Risk Reduction (UNDRR), from 2000 to 2019, there were 7,348 major recorded disaster events claiming 1.23 million lives, affecting 4.2 billion people and resulting in approximately US$2.97 trillion in global economic...

World Habitat Day

In use since about 1755, the word habitat derives from the Latin habitāre, to inhabit, from habēre, to have or to hold. Human habitats are places where people live and where they can find all things that they need to survive. World Habitat Day is to reflect on the...

International Day for the Preservation of the Ozone Layer

As explained by the National Aeronautics and Space Administration, ozone is a gas made up of three oxygen atoms (O3) that occurs naturally in the upper atmosphere — called the stratosphere and at 10-50 kilometres altitude.  In the lower atmosphere (the...