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  2. Water, energy and food security nexus - Wikipedia

    en.wikipedia.org/wiki/Water,_energy_and_food...

    The water, energy and food security nexus according to the Food And Agriculture Organisation of the United Nations (FAO), means that water security, energy security and food security are very much linked to one another, meaning that the actions in any one particular area often can have effects in one or both of the other areas. [1]

  3. Climate-smart agriculture - Wikipedia

    en.wikipedia.org/wiki/Climate-smart_agriculture

    Using small planting basins to harvest water in Zimbabwe has boosted maize yields. This happens whether rainfall is abundant or scarce. And in Niger they have led to three or fourfold increases in millet yields. [13] Climate change can threaten food security and water security. It is possible to adapt food systems to improve food security and ...

  4. Green nanotechnology - Wikipedia

    en.wikipedia.org/wiki/Green_nanotechnology

    Nanotechnology offers the potential of novel nanomaterials for the treatment of surface water, groundwater, wastewater, and other environmental materials contaminated by toxic metal ions, organic and inorganic solutes, and microorganisms. Due to their unique activity toward recalcitrant contaminants, many nanomaterials are under active research ...

  5. Carbon-neutral fuel - Wikipedia

    en.wikipedia.org/wiki/Carbon-neutral_fuel

    The stored energy can be recovered by burning the methanol in a combustion engine, releasing carbon dioxide, water, and heat. Methane can be produced in a similar reaction. Special precautions against methane leaks are important since methane is nearly 100 times as potent as CO 2 , regarding the 20-year global warming potential .

  6. Nanotechnology for water purification - Wikipedia

    en.wikipedia.org/wiki/Nanotechnology_for_water...

    The main features that make nanoparticles effective for water treatment are More surface area; Small volume; The higher the surface area and volume, the particles become stronger, more stable and durable; Materials may change electrical, optical, physical, chemical, or biological properties at the nano level; Makes chemical and biological ...

  7. Biofilter - Wikipedia

    en.wikipedia.org/wiki/Biofilter

    These biological treatment systems effectively reduce water-borne diseases, dissolved organic carbon, turbidity and color in surface water, thus improving overall water quality. Typically in drinking water treatment; granular activated carbon or sand filters are used to prevent re-growth of microorganisms in water distribution pipes by reducing ...

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  9. Dolphin WaterCare - Wikipedia

    en.wikipedia.org/wiki/Dolphin_WaterCare

    Dolphin WaterCare is a brand of environmentally responsible pulsed-power water treatment technology patented by Clearwater Systems Corporation. [3] [4] The system is designed to control scale, corrosion and biological activity in cooling towers without the use of chemicals, chemical tanks or pumps. [5]