Water – this essential resource is a fundamental part of our planet and our lives. That’s why we’d like to celebrate World Water Day with you by sharing 10 fascinating facts about water.
Fact 1: The human body is mostly water
Our bodies are made up of around 70% water. To maintain proper organ function and mental performance, we should consume about 2–2.5 liters of water per day. The brain itself consists of about 85% water – if we don’t drink enough, not only our concentration and memory suffer, but over time, our cognitive performance declines as well.
Fact 2: 70% of the Earth is covered by water
However, only about 3% of this water is drinkable. Around 97% of the Earth’s water is saltwater.
Fact 3: Limited wastewater treatment worldwide
Globally, about 80% of wastewater flows untreated into rivers, lakes, and oceans, contributing significantly to pollution.
Fact 4: Access to clean water
More than a quarter of the world’s population does not have access to clean drinking water. Global initiatives are working to build wells in regions most affected by water scarcity.
Fact 5: Strictly regulated
In Germany, tap water is the most strictly monitored food product. Suppliers test drinking water multiple times a day to ensure consistently high quality.
Fact 6: How much we drink
Over a lifetime, a person drinks approximately 25,000 to 30,000 liters of water. That means one Olympic-sized swimming pool could supply around 35 people for life.
Fact 7: Water equals paper
Producing a single sheet of A4 paper requires about 10 liters of water. In contrast, recycled paper needs only about 100 ml.
Fact 8: Per capita water consumption
The average daily water consumption in Germany is around 125 liters per person – about 46,000 liters per year.
Fact 9: Water in cosmetics
Cosmetic products often contain a significant amount of water. It helps create the right texture and plays an important role in keeping the skin hydrated.
Fact 10: Raindrops are round
Despite how they’re often depicted, raindrops are actually round. Globally, around 11,430 millimeters of rain fall per square meter each year. The Atacama Desert is considered the driest region in the world.
