World Cities Day

Cities occupy 2% of the world’s total landmass, but contribute to 70% of the world’s economy (GDP), 60% of its energy consumption, 70% of its greenhouse gas emissions, and 70% of the world’s waste. Urbanization provides the promise — oft not...

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...

World Bicycle Day

World Bicycle Day is to acknowledge the uniqueness, longevity and versatility of the bicycle, and its use as a simple, affordable, reliable, clean and environmentally fit sustainable means of transportation, fostering environmental stewardship and health. The Day...