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Improved water, energy, and food security on a global level can be achieved through a nexus approach [17] —an approach that integrates management and governance across sectors and scales. [18] A nexus approach can support the transition to a green economy, which aims, among other things, at resource use efficiency and greater policy coherence ...
Biofuel production has increased in recent years. Some commodities like maize (corn), sugar cane or vegetable oil can be used either as food, feed, or to make biofuels. The Food vs. fuel debate is the dilemma regarding the risk of diverting farmland or crops for biofuels production to the detriment of the food supply. The biofuel and food price ...
The continual development of Hydropower has positive effects such as flood control, irrigation, and river navigation; conversely, the development of Hydropower plants can negatively affect the 3 million Laotians relying on the Mekong for livelihood and food security. With dams blocking the migration of fish, many communities will experience a ...
Such mechanisms can include: Pumped storage hydropower is the most prevalent existing technology used, and can substantially improve the economics of wind power. The availability of hydropower sites suitable for storage will vary from grid to grid. Typical round trip efficiency is 80%. [10] [70]
Hydropower (from Ancient Greek ὑδρο-, "water"), also known as water power or water energy, is the use of falling or fast-running water to produce electricity or to power machines. This is achieved by converting the gravitational potential or kinetic energy of a water source to produce power. [1] Hydropower is a method of sustainable energy ...
A pico hydro system made by the Sustainable Vision project from Baylor University [1]. Pico hydro is a term used for hydroelectric power generation of under 5 kW. These generators have proven to be useful in small, remote communities that require only a small amount of electricity – for example, to power one or two fluorescent light bulbs and a TV or radio in 50 or so homes. [2]
Hydroelectric power is the main mode of electricity production. Norway is known for its particular expertise in the development of efficient, environment-friendly hydroelectric power plants. [ 24 ] Calls to power Norway principally through hydropower emerged as early as 1892, coming in the form a letter by the former Prime Minister Gunnar ...
But, the net effect can be a greater reduction of pollutant emissions and effluents than treating each stack or pipe as an independent entity. This is a foundation for most sustainable design approaches, i.e. conducting a life-cycle analysis, prioritizing the most important problems, and matching the technologies and operations to address them.