What percentage of urban areas in developing countries lack adequate wastewater treatment?

SIZE, DEPTH, WATERSHED, WATER QUALITY, etc 1. Lake Superior is, by surface area, the world's largest freshwater lake. 2. The surface area of Lake Superior ... Freshwater makes up a very small fraction of all water on the planet. While nearly 70 percent of the world is covered by water, only 2.5 percent of it is fresh. The earth has an abundance of water, but unfortunately, only a small percentage (about 0.3 percent), is even usable by humans. The other 99.7 percent is in the ... Apr 3, 2025 ... It is unexpected and somewhat inconceivable that less than three percent of Earth's water is freshwater. According to the U.S. Geological Survey ... Ninety percent of global warming is occurring in the ocean, causing the water's ... world through discovery. About NASA's Mission · Join Us · Home · News ... Oct 13, 2018 ... The country has an estimated 4.3 percent of the world's population yet contains more than 7 percent of global renewable freshwater resources. Mar 22, 2023 ... 74% of people in the world have access to safely managed drinking water. Global water access by level of service (%), 2000-2020. Jul 31, 2019 ... The 2018 edition of the United Nations World Water Development Report stated that nearly 6 billion peoples will suffer from clean water scarcity by 2050. 2 Map of the world oceans (By Pinpin [GFDL (http://www.gnu.org/copyleft ... 1 Percentage of Earth's water in various locations. Pacific, 52%. Atlantic, 25 ... Mar 19, 2021 ... Meanwhile, a fifth of the world's river basins are experiencing dramatic fluctuations in water availability, and 2.3 billion people are living ...