What percentage of the water on Earth is accessible and usable for human needs?

Mar 17, 2023 ... The country has 18 percent of the world's population, but only 4 percent ... water resources, making it among the most water-stressed in the world ... Aug 27, 2007 ... It contains roughly 8 percent of all of Earth's fresh water. ... world's population lives in or near a coastal zone. The global impact of ... May 14, 2018 ... Covering about 70 percent of the earth, surface water is what fills our oceans, lakes, rivers, and all those other blue bits on the world map. Irrigation already accounts for 72 percent of all freshwater withdrawals. Human-induced land degradation, water scarcity and climate change are increasing the ... Apr 21, 2025 ... ... , followed by Oceania and Europe. The graph below shows the percentage of treated domestic wastewater by region (2022). chart visualization ... Rivers, lakes and aquifers are drying up or becoming too polluted to use. More than half the world's wetlands have disappeared. Agriculture consumes more water ... Jun 18, 2019 ... ... per cent to 9 per cent, and 23 countries have ... Some 2.2 billion people around the world do not have safely managed* drinking water ... Around 57 per cent of countries presented a water use efficiency equivalent to $20 per cubic metre or less in 2019. Across the world, water stress levels ... The ocean is the largest solar energy collector on Earth. Not only does water cover more than 70 percent of our planet's surface, it can also absorb large ... Lawrence River and their value to Canada and the United States are hard to imagine, even for residents of this region. The lakes hold 20 percent of the earth's ...