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Bottled water uses 2000 times more energy

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February 28, 2009

Bottled water uses 2000 times more energy

Bottled water uses 2000 times more energy

March 1, 2009 New research from the Pacific Institute estimates that bottled water is up to 2000 times more energy-intensive than tap water. Similarly, bottled water that requires long-distance transport is far more energy-intensive than bottled water produced and distributed locally. Indeed, when all the sums were done, it seems the annual consumption of bottled water in the U.S. in 2007 required the equivalent of between 32 and 54 million barrels of oil—roughly one-third of a percent of total U.S. primary energy consumption.

The article, “Energy implications of bottled water” by researchers Peter H. Gleick and Heather Cooley, is the first peer-reviewed analysis of its kind and appears in the February 2009 edition of Environmental Research Letters.

“As bottled water use continues to expand around the world, there is growing interest in the environmental, economic, and social implications of that use, including concerns about waste generation, proper use of groundwater, hydrologic effects on local surface and groundwater, economic costs, and more. But a key concern is how much energy is required to produce and use bottled water,” said article co-author Peter Gleick, president of the Pacific Institute. “It turns out the answer is, a lot.”

The authors note that a single estimate of the energy footprint of bottled water is not possible due to differences among water sources, bottling processes, transportation costs, and other factors. Gleick and Cooley calculate the energy requirements for various stages in bottled water production, including the energy to manufacture the plastic bottles, process the water and the bottles, and transport and cool the final product.

Combining the energy intensities for these stages, the analysis finds that producing bottled water requires between 5.6 and 10.2MJ per liter—as much as 2000 times the energy cost of producing tap water. The authors further estimate that to satisfy global demands, the energy equivalent of 50 million barrels of oil per year is used just to produce the bottles, primarily made of PET plastic, almost all of which are currently made from virgin, not recycled, material.

For water transported short distances, the energy requirements of bottled water are dominated by the energy to produce these plastic bottles. Long-distance transport, however, can lead to energy costs comparable to, or even higher than, the energy to produce the bottle. In the article, the authors calculate the energy costs of three different scenarios for a bottle of water consumed in Southern California—a locally produced bottle and bottled water from both France and Fiji transported to the region.

“With the U.S. consumption of bottled water exceeding 33 billion liters a year, and with intensifying efforts to reduce energy use and greenhouse gas emissions, these data should help identify ways to reduce the energy costs of bottled water and may help consumers themselves make more environmentally sustainable choices,” said co-author Heather Cooley, senior research associate at the Pacific Institute. Based in Oakland, California, the Pacific Institute is a nonpartisan research institute that works to create a healthier planet and sustainable communities. Through interdisciplinary research and partnering with stakeholders, the Institute produces solutions that advance environmental protection, economic development, and social equity—in California, nationally, and internationally.

http://www.pacinst.org

About the Author
Mike Hanlon After Editing or Managing over 50 print publications primarily in the role of a Magazine Doctor, Mike embraced the internet full-time in 1995 and became a "start-up all-rounder" – quite a few start-ups later, he founded Gizmag in 2002. Now he can write again.   All articles by Mike Hanlon
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2 Comments

These statistics are similar to the production and use of ethanol. In both cases, enormous amounts of energy are used to create, ship, and consume a product that is either "good for you," or "good for the environment."

While people should be free to consume what they choose, whether its bottled water and E85 fuel, they should do with their eyes fully open to the environmental impact.

I read a great article on the environmental costs of ethanol titled, "Adding up the Cost of Ethanol" found at http://economicefficiency.blogspot.com/2008/07/adding-up-cost-of-ethanol.html

gormanwvzb
30th March, 2009 @ 08:17 am PDT

Yes. Bottled mineral water uses lot of energy from production to distribution. In India in the last 15 years Mineral water pervaded the market. Next came Mobile phones. But some people who want to be sure of the quality of water boil normal water and fill it in Quality plastic bottles (those used in beverages). But the water can covered with thick wool cloth which is used in army is best utility device as by sprinkling water on the outer surface, inner water gets cooled(Evaporation produces cooling). What developing countries need is to MODERNISE THE TRADITIONAL - TRADITIONALISE THE MODERN.

Dr.A.Jagadeesh Nellore (AP), India

Dr.A.Jagadeesh
20th April, 2010 @ 09:25 am PDT
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