Navigation Links
Diet change -- A solution to reduce water use?
Date:8/4/2014

Eating less meat would protect water resources in dry areas around the world, researchers at Aalto University in Finland have found.

Reducing the use of animal products can have a considerable impact on areas suffering scarce water resources, as meat production requires more water than other agricultural products.

Diet change together with other actions, such as reduction of food losses and waste, may tackle the future challenges of food security, states researcher Mika Jalava from Aalto University in Finland.

Growing population and climate change are likely to increase the pressure on already limited water resources and diet change has been suggested as one of the measures contributing to adequate food security for growing population.

The researchers assessed the impact of diet change on global water resources over four scenarios, where the meat consumption was gradually reduced while diet recommendations in terms of energy supply, proteins and fat were followed. The study published in Environmental Research Letters is the first global-scale analysis with a focus on changes in national diets and their impact on the blue and green water use of food consumption.

Food supply for growing population

Global population is expected to exceed 9 billion by 2050, adding over 2 billion mouths to be fed to the current population, according to the UN. By reducing the animal product contribution in the diet, global green water (rainwater) consumption decreases up to 21 % while for blue water (irrigation water) the reductions would be up to 14 %. In other words, by shifting to vegetarian diet we could secure adequate food supply for an additional 1.8 billion people without increasing the use of water resources. The potential savings are, however, distributed unevenly, and even more important, their potential alleviation on water scarcity varies widely from country to country.

Regional differences

The researchers at Aalto University found substantial regional differences in diet change potential to reduce water use. In Latin America, Europe, Central and Eastern Asia, and Sub-Saharan Africa, diet change reduces mainly green water use. In Finland, for example, turning into a meat free diet would decrease the daily green water use of a Finn over 530 litres but at the same time resulting nearly 50 litres increase in blue water use. In the Middle East region, North America, Australia and Oceania, also blue water use would decrease considerably. In South and Southeast Asia, on the other hand, diet change does not result in savings in water use, as in these regions the diet is already largely based on a minimal amount of products.


'/>"/>

Contact: Mika Jalava
mika.jalava@aalto.fi
358-405-065-696
Aalto University
Source:Eurekalert  

Related medicine news :

1. Teen Drinking May Boost Odds of Precancerous Breast Changes
2. Climate Change Could Be Tough on Seniors Health: Study
3. Changes in gene expression may help explain high blood pressure in pregnancy
4. Brain Changes May Hamper Decision-Making in Old Age
5. Specific protein triggers changes in neurons in brain reward center linked to cocaine addiction
6. Molecular probes identify changes in fibronectin that may lead to disease
7. Dietary changes help some children with ADHD
8. Palliative care resource helps ease changes
9. Chronic cocaine use triggers changes in brains neuron structure
10. Cancer in the elderly: Research fails to keep up with demographic change
11. Eye Changes May Predict Heart Disease in Blacks With Diabetes
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Diet change -- A solution to reduce water use?
(Date:2/8/2016)... ... February 08, 2016 , ... If you are feeling that ... you are not alone. According to the Center for Disease Control and Prevention (CDC), ... 2 diabetes and certain types of cancer, some of the leading causes of preventable ...
(Date:2/8/2016)... Francisco, CA (PRWEB) , ... February 08, 2016 , ... ... raise $792,000 to help combat pancreatic cancer. , Gary D. Radine, who recently retired ... also was the American Cancer Society’s 2015 CEO of the Year , helped ...
(Date:2/8/2016)... ... , ... Discover the Rocky Mountain region’s longest running and impressive garden and ... also get to see the most incredible gardens and home improvement experts that attend ... Colorado Convention Center - 700 14th St. Denver CO, is an exciting event that ...
(Date:2/8/2016)... ... February 08, 2016 , ... Guruji Mahendra Kumar Trivedi is ... 11th, 2016 in honor of his birthday on February 10th. During this time, ... Trivedi is known by over 250,000 people from over 40 different countries as an ...
(Date:2/7/2016)... ... February 07, 2016 , ... HealthSmart Holdings, Inc. announced today ... the tools and information to lower the costs, and increase the impact of ... providing employee healthcare benefits by as much as 22%:, + Price and ...
Breaking Medicine News(10 mins):
(Date:2/8/2016)... N.C. , Feb. 8, 2016  Avista Pharma ... Eric Setzer as Chief Financial Officer (CFO). Mr. ... twenty years of experience in various roles within growing ... Pharma, he served as the Executive Director of Finance ... in Raleigh, NC . Previously, Mr. ...
(Date:2/8/2016)... , Feb. 8, 2016 Velano Vascular, ... experience for hospitalized patients and their practitioners, announced today ... in funding. Velano will use the proceeds from this ... financing completed in January 2015, to support the development ... adult and pediatric populations. Philadelphia ...
(Date:2/8/2016)... -- Vestagen Technical Textiles, Inc., a medical technology company ... other demanding applications, today announced it has named ... Dale Pfost , PhD, who was serving as interim ... Vestagen,s Board of Directors. ® , the ... that combines fluid repellent, antimicrobial and breathability properties. VESTEX ...
Breaking Medicine Technology: