What proportion of the Earth’s surface is covered by water?
71 percent About 71 percent of the Earth’s surface is water-covered, and the oceans hold about 96.5 percent of all Earth’s water. Water also exists in the air as water vapor, in rivers and lakes, in icecaps and glaciers, in the ground as soil moisture and in aquifers, and even in you and your dog.
What is the theme of World Water Day 2022?
Groundwater: making the invisible visible
which country wastes the most water in the world
Countries with the highest water waste:
- China: 362 trillion gallons/year.
- United States: 216 trillion gallons/year.
- Brazil: 95 trillion gallons/year.
- Russia: 71 trillion gallons/year.
- Mexico: 53 trillion gallons/year.
- India: 30 trillion gallons/year.
- England: 20 trillion gallons/year.
- France: 20 trillion gallons/year.
There are roughly 7.8 billion people in the world today. How many people do not have access to clean water?
Answer: 2.2 billion
According to the UN, how many liters of water, on average, does it take to produce one person’s daily food?
Answer: 1,000-5,000 litres
How much water can you save per shower by shortening your shower by 5 minutes?
Answer: 5 liters
Which of the following small everyday changes can help save water at an individual level?
Answer: All of the above
What proportion of the world’s population lives on the driest half of the planet?
How much did the world’s most expensive bottle of water, the gold-encrusted Acqua Di Cristallo Tributo a Modigliani, fetch at auction?
On average, how many children die each day from diarrhoea caused by unsafe water and poor sanitation?
How many hours a year, in total, do women in sub-Saharan Africa spend collecting water?
The daily drinking water requirement per person is 2-4 litres. According to the UN, how many litres of water, on average, does it take to produce one person’s daily food?
How many people worldwide are forced to defecate outdoors due to inadequate sanitation?
How much of the world’s fresh water is available to drink?
What proportion of hospital patients in developing countries are being treated for diseases caused by poor water and sanitation?
one in two
The duration and intensity of droughts have generally increased. Since 1900 how many people have died as a result?
In an emergency context, what’s the minimum amount of safe drinking water consumption per person per day?
Four gallons per person per day is the minimum quantity required for essential activities during an emergency, but it is usually insufficient to meet regular basic hygiene and consumption requirements. The World Health Organization recommends between 13 to 26 gallons per person per day to ensure basic needs are met and few health concerns arise.