high-level supply
51Water supply and sanitation in Yemen — is characterized by poor service quality and low levels of access, the latter being almost as low as in Sub Saharan Africa for sanitation. Yemen is both the poorest country and the most water scarce country in the Arab world. In addition, the… …
52Water supply and sanitation in Israel — is intricately linked to the historical development of Israel in the context of scarce water resources. Because the coastal plain of historical Palestine had few water resources, Theodor Herzl already envisioned the transfer of water from the… …
53Current sea level rise — This article is about the current and future rise in sea level associated with global warming. For sea level changes in Earth s history, see Sea level#Changes through geologic time. Sea level measurements from 23 long tide gauge records in… …
54Water supply and sanitation in Nicaragua — is provided by a national public utility in urban areas and water committees in rural areas. Despite relatively high levels of investment, access to water in urban areas has barely kept up with population growth, access to urban sanitation has… …
55Effects of high altitude on humans — Climbing Mount Rainier. The effects of high altitude on humans are considerable. The percentage saturation of hemoglobin with oxygen determines the content of oxygen in our blood. After the human body reaches around 2,100 m (7,000 feet) above sea …
56Water supply and sanitation in Paraguay — Despite many years of concerted efforts and achievements in expanding coverage and improving service sustainability, many issues remain to be addressed in the water and sanitation sector. Key issues include: (i) a low level of coverage for both… …
57Biosafety level — A biosafety level is the level of the biocontainment precautions required to isolate dangerous biological agents in an enclosed facility. The levels of containment range from the lowest biosafety level 1 (BSL 1) to the highest at level 4 (BSL 4) …
58Water supply and sanitation in South Africa — After the end of Apartheid South Africa s newly elected government inherited huge services backlogs with respect to access to water supply and sanitation. About 15 million people were without safe water supply and over 20 million without adequate …
59Water supply and sanitation in Denmark — Public water supply and sanitation in the Denmark is characterized by universal access and generally good service quality. Some salient features of the sector in the Denmark compared to other developed countries are:* service provision only by… …
60Physician supply — refers to the number of trained physicians working in a health care system or active in the labour market.[1] The supply depends primarily on the number of graduates of medical schools in a country or jurisdiction, but also on the number who… …
