By D. Anton
Additionally on hand in French and Spanish variations.
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Additional info for Thirsty Cities: Urban Environments and Water Supply in Latin America
Example text
Lakes and swamps are sustained in a similar way. In some cases, mainly in arid climates, the supply depends on runoff; in humid areas, most of their water comes from springs. Lakes in arid regions tend to have high levels of dissolved solids; in humid environments, the concentration of dissolved material is low. Rivers and lakes often act as water sources for the large urban centres of South America. Rivers are usually dammed to create large reservoirs to store water and regulate its flow. Lakes are natural storage reservoirs and are often used directly for municipal supply.
Policy formulation and implementation Once the basic framework is in place, a process of policy formulation can develop. However, even if all the elements are in place, there is no guarantee that the policies will be appropriate. It is important to ensure that all those interested, especially those defending the public interest, are able to play their roles. As a general rule, the more open the process of policy formulation, the more likely it will be that the policies will respond to the public interest and that their implementation will be successful.
Or at the administrative level (monitoring, fining, and effectively applying existing rules). Lack of adequate legal support Legal systems are slow to change. The new environmental situation requires a complete revamping of the legal systems of most LAC countries. Some changes have taken place. Several countries have approved environmental laws (PNUMA/ORPALC 1984); national parks have been created throughout the region; water laws have been approved or are under study in most countries; and environmental requirements have been introduced for hydraulic works and other types of structures.
