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Out of all the water on Earth, saline water in oceans, seas and saline groundwater make up about 97% of it. Only 2.5–2.75% is fresh water, including 1.75–2% frozen in glaciers, ice and snow, 0.5–0.75% as fresh groundwater and soil moisture, and less than 0.01% of it as surface water in lakes, swamps and rivers.
Sources of water pollution are either point sources or non-point sources. [4] Point sources have one identifiable cause, such as a storm drain, a wastewater treatment plant, or an oil spill. Non-point sources are more diffuse. An example is agricultural runoff. [5] Pollution is the result of the cumulative effect over time. Pollution may take ...
Addressing these concerns was a central part of the IPCC Special Report on Climate Change and Land [3] as well as in the 2024 UNEP Actions on Air Quality report. [4] Mitigation of agricultural pollution is a key component in the development of a sustainable food system .
"Análisis del proceso de privatización de los sistemas de agua potable y saneamiento urbanos en Chile" (PDF). Revista de Gestión de Agua de América Latina (in Spanish). 1 (2): 65– 85; Orphanópoulos, D. (2005). "Concepts of the Chilean Sanitation Legislation: Efficient Charges and Targeted Subsidies".
The Cochabamba Water War, [2] also known as the Bolivian Water War, was a series of protests that took place in Cochabamba, Bolivia's fourth largest city, between December 1999 and April 2000 in response to the privatization of the city's municipal water supply company SEMAPA.
[3] [4] Similar pursuits are information visualization, data visualization, statistical graphics, information design, or information architecture. [2] Infographics have evolved in recent years to be for mass communication , and thus are designed with fewer assumptions about the readers' knowledge base than other types of visualizations. [ 5 ]
Interstate 4 (I-4) is an Interstate Highway located entirely within the US state of Florida, maintained by the Florida Department of Transportation (FDOT). Spanning 132.30 miles (212.92 km) along a generally southwest–northeast axis, I-4 is entirely concurrent with State Road 400 ( SR 400 ).