SPECIAL REPORT: WATER VS ENERGY

 
The Water-Energy Nexus
Only radical new ideas will prevent the coming clash.
 
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Participate in Our Online Multiplayer Forecast Experiment
You and your fellow engineers can help shape the future of water and energy.
 
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The Editor’s Take
Samuel K. Moore discusses the water-energy nexus with IEEE Spectrum Editor Susan Hassler
 
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Where Water Meets Watts
A map of water and energy hot spots and bright spots.
  >1. THIRSTY MACHINES   >2. UNEASY HARVEST   >3. TINY TEST BEDS
  photo from power of water american southwest   photo from life in drought australia   photo from wzards of water singapore
 

THE POWER OF WATER
In the American Southwest, the energy problem is water.
By Sally Adee & Samuel K. Moore

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The Sinking Salton Sea
A fight over the California lake's dwindling water is a big problem for the state's renewable-energy progress
By Sally Adee

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Figuring Out Where Water Meets Watts in Texas
A model of the impacts of energy on water and air quality could help states go green
By Laurie Howell

WATER AND SHALE GAS
New drilling techniques have increased the amount of gas that’s accessible, but whether it’s truly recoverable may hinge on drilling’s impact on water purity.
By William Sweet

THE FUTURE OF HYDROPOWER
Changing climate will help hydropower in some countries but hinder it in others.
By Anne-Marie Corley

THE CARBON-CAPTURE CONUNDRUM
Coal power’s carbon savior could double its water woes.
By Samuel K. Moore

GRAPHIC: CHINA REWIRES ITS RIVERS
A massive water diversion project aims to slake the industrial north’s thirst.
By Anne-Marie Corley with Yu-Tzu Chiu

THE DATA
The trade-off between water and energy is tough, but the trade-off between carbon emissions and water is even tougher.
By Samuel K. Moore

 

LIFE IN DROUGHT
In Australia, using less water can mean spending more watts.
By Jean Kumagai

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The Water-Energy Nexus Down Under
Water scarcity and rising power costs meet on farms in New South Wales, Australia
By Jean Kumagai

BIOFUEL'S WATER PROBLEM
Irrigating biofuel crops on a grand scale would be disastrous.
By David Schneider

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Switchgrass, the Mowable Biofuel
This crop promises not only to make fuel but also to help other crops grow by increasing rainfall
By Phil Ross

PUMPING PUNJAB DRY
Cheap energy endangers India’s ability to feed itself.
By Seema Singh

 

WIZARDS OF THE WATER CYCLE
Singapore’s toilet-to-tap technology has rescued the country from shortages.
By Sandra Upson

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Water Cycle Shake-Up
Singapore's road to water self-sufficiency.
By Sandra Upson

GRAPHIC: THE SALINE SOLUTION
Desalinating seawater takes too much energy, but emerging technologies will help.
By Sally Adee

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Ever Forward
With a little bit of waste energy, a technology called forward osmosis could make salty water drinkable
By Lisa Raffensperger

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Making Bacteria Clean Water and Generate Electricity
Microbial fuel cells could turn wastewater treatment from a big electricity consumer to a generator
By Glenn Zorpette

MALTA TAKES CONTROL
With the world’s first multiutility smart grid, Malta hopes to save water and money.
By Harry Goldstein

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DIY: Replacing the Water Grid With Rainwater
How a Maltese engineer modified his centuries-old home to be water self-sufficient.
By Josh Romero

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Island Economy
The Maltese make every drop of water count
By Harry Goldstein

POWERED BY CRAZY
Seven water and energy schemes so crazy they just might work.
By Sally Adee & Anne-Marie Corley