Taxes on red meat and subsidies for more efficient crops that could feed many more people are among the measures proposed by the Lancet Commission on Obesity report.
Drafted by an international panel of 43 biologists, climate scientists and policy experts, it also calls for a global treaty to limit the influence of “Big Food” which is hamstringing moves to more sustainable diets and lifestyles.
Similar measures were agreed to limit the influence of tobacco companies in health policy.
“The similarities with Big Tobacco lie in the damage they induce and the behaviours of the corporations that profit from them,” author Professor William Dietz, from George Washington University, said.
The report, published in The Lancet, comes after a separate commission proposed a “planetary health diet” which called for red meat to be limited to the equivalent of one burger a fortnight.
While industry groups said the latest proposals would see the cost of everyday essentials rise, climate change will also drive up prices from crops lost to droughts and flooding – meaning many more may go hungry.
The food system generates 25-30 per cent of greenhouse gas emissions, and cattle production accounts for over half of those, the report says.
“Until now, undernutrition and obesity have been seen as polar opposites of either too few or too many calories,” said Professor Boyd Swinburn, co-chair of the commission.
“In reality, they are both driven by the same unhealthy, inequitable food systems, underpinned by the same political economy that is single-focused on economic growth, and ignores the negative health and equity outcomes.”
“Climate change has the same story of profits and power,” he added.
Sugar taxes, pioneered in Mexico and now implemented in the UK and beyond have sparked a major industry pushback with $50m spent in 2016-17 to lobby against national sugar reduction schemes.
Chilean senator Dr Guido Girardi helped spearhead initiatives in 2011 to curb junk food advertising in his country, where three-quarters of adults are overweight or obese.
“This was not without a great deal of resistance, of course,” he told the commission. “The food industry, marketing companies, and politicians of the opposition alike, all claimed that there was no valid basis for the law.”
Chile increased taxes on drinks with high levels of sugar in 2014.
Kay Johnson Smith, president and chief executive of the Animal Agriculture Alliance said US farmers are reducing greenhouse emissions “to record lows”.
“The Lancet Obesity Commission ... ignores evidence of meat and dairy’s contribution to healthy, sustainable diets,” he added. “Experts in nutrition and the environment have repeatedly warned these radical recommendations are counterproductive and have serious, negative consequences for the health of people and the planet.”
The Independent
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