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A team of international scientists has revealed good news for humans: the opportunity to feed the planet in terms of health and the environment in a sustainable way by 2050.
All that is needed is a complete and radical change to what we eat and how we produce it.
"We call this the big food change," said Jessica Vanzo, director of the Global Program on Ethics and Food Policy at Johns Hopkins University, Maryland. "Although it sounds serious, we need a major shift and cooperation to meet this global challenge."
In a report recently published in the Lancet medical journal, Vanzo and his 36 colleagues from 16 countries published a set of scientifically-defined goals to guide food producers, consumers and policy makers toward a diet that would improve the health of man and the planet.
The proposed diet, based on a review of hundreds of food studies for two years, is not as scary as one might think. There is no need to eat insects, do not ask anyone else to become a vegetarian!
The diet includes 2,500 calories a day, about the world average of 2,370 calories a day. In the United States, men consume 2,800 calories a day and women between 2,000 and 2,200 calories, according to the report.
Red meat will remain on the world's sustainable menu, but in a greatly reduced quantity. The diet allows about a tablespoon of red meat a day. That's equivalent to a medium-sized burger steak a week or a steak a month.
Dairy products are also on the table. The target diet includes up to a glass of milk or other daily dairy products.
For other sources of protein, researchers recommend about two fish per week and one egg or two per week. The majority of calories from this diet come from cereals as is the case today.
The new system wants to see a 100% increase in the amount of legumes, nuts, fruits and vegetables consumed by most people, and add only 5% of our total caloric intake.
"It is very compatible with many traditional diets, including the Mediterranean diet," said Walter Willett, professor of epidemiology and nutrition at the Harvard T.Han School of Public Health, who co-sponsored The report. It's not extreme at all in many cooking traditions
"It will also lead to overall improvements in human health, and if the entire planet builds these food bases, 11 million premature deaths would be avoided each year."
This is useful
"It's a good thing for everyone," said a professor of environmental science at Stockholm University. "It's a healthy diet that helps us cope with the climate and achieve the goals of sustainable development."
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