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Related Concept Videos

States of Water01:23

States of Water

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Water exists in any one of the three classical states: solid (ice), liquid (water), and gas (steam or water vapor). The state of water depends on i) the intermolecular forces that draw molecules together and ii) the kinetic energy that leads to movements that pull them apart.
Water freezes when the intermolecular forces are greater than the kinetic energy. Unlike most other substances, water is less dense in its solid state than in its liquid state. This is because each water molecule can form...
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Potential Energy00:52

Potential Energy

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The energy stored by a structure and location of matter in space is called potential energy. For instance, raising a kettlebell changes its spatial location and increases its potential energy. Similarly, a stretched rubber band contains potential energy which, under certain conditions, can be converted into other forms of energy, such as kinetic energy.
Chemical bonds that form attractive forces between atoms also contain potential energy, called chemical energy. When a chemical reaction...
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Free Energy01:21

Free Energy

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Free energy—abbreviated as G for the scientist Gibbs who discovered it—is a measurement of useful energy that can be extracted from a reaction to do work. It is the energy in a chemical reaction that is available after entropy is accounted for. Reactions that take in energy are considered endergonic and reactions that release energy are exergonic. Plants carry out endergonic reactions by taking in sunlight and carbon dioxide to produce glucose and oxygen. Animals, in turn, break...
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Kinetic Energy00:23

Kinetic Energy

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Kinetic energy is the ability of an object in motion to do work or enact change. It can take on many forms. For instance, water flowing down a waterfall has kinetic energy. In biological systems, particles of light travel and are absorbed by plants to create chemical energy. Animals consume the chemical energy and give off molecules that carry their scent through the air. They also generate kinetic energy when they run away from predators. Entire systems also possess kinetic energy, like the...
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Protein-protein Interfaces02:04

Protein-protein Interfaces

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Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a...
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What is Energy?04:10

What is Energy?

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The universe is composed of matter in different forms, and all forms of matter contain energy.  The different forms of energy on Earth originate from the Sun — the ultimate energy source. Plants capture light energy from the Sun, and, via the process of photosynthesis, convert it into chemical energy. This stored energy from plants can be harnessed in many ways. For example, eating plant products as food provides energy for our body to function, and burning wood or coal (fossilized...
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Related Experiment Video

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The Innovation Arena: A Method for Comparing Innovative Problem-Solving Across Groups
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Innovating at the food, water, and energy interface.

K J Helmstedt1, J R Stokes-Draut2, A E Larsen3

  • 1School of Mathematical Sciences, Queensland University of Technology, Brisbane, 4000, Queensland, Australia; Department of Environmental Science, Policy, and Management, University of California, Berkeley, 94720, CA, USA.

Journal of Environmental Management
|December 25, 2017
PubMed
Summary

Integrated management of food, energy, and water (FEW) systems is crucial for sustainability. By addressing resource challenges and leveraging technology, policymakers can improve resource security and ecological health.

Keywords:
Closing the loopNatural resource managementNexusStakeholder engagementSustainabilityWEF

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Area of Science:

  • Environmental Science
  • Resource Management
  • Sustainability Science

Background:

  • Food, energy, and water (FEW) systems are interconnected and face increasing challenges from climate change and resource competition.
  • Current management of the FEW nexus often treats systems independently, missing opportunities for integrated solutions.
  • Effective management of FEW systems is a critical policy issue for global sustainability.

Purpose of the Study:

  • To advocate for integrated management of food, energy, and water (FEW) systems.
  • To identify and propose solutions for key challenges in FEW system integration.
  • To highlight the potential of existing and emerging technologies for enhanced FEW management.

Main Methods:

  • Reviewing the interconnectedness of food, energy, and water systems.
  • Analyzing challenges in integrating FEW management, including spatiotemporal disconnections and resource loop closure.
  • Discussing the reframing of existing technologies and harnessing of emerging technologies for integrated FEW management.

Main Results:

  • Integrated management offers opportunities to mitigate negative impacts and stresses at the FEW nexus.
  • Addressing spatiotemporal disconnections, closing resource loops, and creating actionable information are key to successful integration.
  • Reframing technologies can change how individual resource systems operate within the broader FEW system.

Conclusions:

  • Integrated management of FEW systems is essential for sustainable resource security for humanity, trade, and ecological health.
  • Policy makers and managers can achieve more efficient and effective resource security through integrated FEW approaches.
  • Adopting integrated management strategies is vital for navigating global change impacts on critical resource systems.