Going meatless once a week may reduce your risk of chronic preventable conditions like cancer, cardiovascular disease, diabetes and obesity. It can also help reduce your carbon footprint and save precious resources like fresh water and fossil fuel.The water needs of livestock are tremendous, far above those of vegetables or grains. An estimated 1,800 to 2,500 gallons of water go into a single pound of beef.
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.
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.
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 …
Eating less meat would protect water resources in dry areas around the world, researchers 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, they say.
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