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Water resources are natural resources of water that are potentially useful for humans, for example as a source of drinking water supply or irrigation water. These resources can be either freshwater from natural sources, or water produced artificially from other sources, such as from reclaimed water or desalinated water (). 97% of the water on Earth is salt water and only three percent is fresh ...
NIOS had a cumulative enrollment of about 15 lakh (1.5 million) students from 2004 to 2009 at secondary and senior secondary levels and enrolls about 3.5 lakh (350k) students annually which makes it the largest open schooling system in the world. NIOS is a governing body just like any other Indian government official department [3]
Lake Nyos (/ ˈ n iː oʊ s / NEE-ohs) [1] is a crater lake in the Northwest Region of Cameroon, located about 315 km (196 mi) northwest of Yaoundé, the capital. [2] Nyos is a deep lake high on the flank of an inactive volcano in the Oku volcanic plain along the Cameroon line of volcanic activity.
As water normally is not a traded good, the establishment of specific rights or tradeable permits are a means for using market mechanisms for the allocation of limited water resources. Creating virtual markets tradeable permits for water uses can improve the allocation (increase the efficiency) of resources to the economically most efficient uses.
A study on the biogeophysical aspects of sustainability came up with a rule of prudent practice that a resource stock should last 700 years to achieve sustainability or become a perpetual resource, or for a worse case, 350 years. [27] If a resource lasting 700 or more years is perpetual, one that lasts 350 to 700 years can be called an abundant ...
Environmental economics is a sub-field of economics concerned with environmental issues. [1] It has become a widely studied subject due to growing environmental concerns in the twenty-first century. Environmental economics "undertakes theoretical or empirical studies of the economic effects of national or local environmental policies around the ...
Fresh water is a finite and vulnerable resource, essential to sustain life, development and the environment. Water development and management should be based on a participatory approach, involving users, planners and policy-makers at all levels. Women play a central part in the provision, management and safeguarding of water.
In economics, the freshwater school (or sometimes sweetwater school) comprises US-based macroeconomists who, in the early 1970s, challenged the prevailing consensus in macroeconomics research. A key element of their approach was the argument that macroeconomics had to be dynamic and based on how individuals and institutions interact in markets ...