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March 1, 2021
International News

Severe ‘food shocks’ more likely due to extreme weather, experts warn

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Image: Soy beans are seen in a field waiting to be harvested in Minooka, Illinois, September 24, 2014. REUTERS/Jim Young

By Kate Kelland

LONDON (Reuters) – Extreme weather such as intense storms, droughts and heatwaves will cause more frequent and severe food shortages as the global climate and food supply systems change, British and American experts warned on Friday.

The pressure on the world’s food supplies is so great, and the increase in extreme weather events so rapid, they said, that food shortages on a scale likely to occur once a century under past conditions, may in future hit as often as once every 30 years.

“The chance of having a weather-related food shock is increasing, and the size of that shock is also increasing,” said Tim Benton, a professor of population ecology at Leeds University who presented a report commissioned by the British government.

“And as these events become more frequent, the imperative for doing something about it becomes even greater.”

The report, prepared by the UK-US Taskforce on Extreme Weather and Global Food System Resilience, also warned that knee-jerk national responses to production drops, such as the imposition of export or import bans on certain foods or crops, risk exacerbating a problem and fuelling spikes in food prices.

“If you put the worst case institutional responses together with a worst case production shock, that’s when it starts spiralling out of control,” said Rob Bailey, research director for energy, environment and s at Britain’s Chatham House think tank, the Royal Institute of International Affairs.

The experts looked at production of the world’s most important commodity crops — maize, soybean, wheat and rice — and how droughts, floods and storms might impact it in future.

Since most of the global production of these four crops comes from a small number of countries such as China, the United States and India, extreme weather events in these regions will have the largest impact on global food supplies, they said.

And while greater interconnectedness reduces countries’ vulnerability to local production shocks, it may also perversely increase vulnerability to large shocks in distant so-called “breadbasket” regions.

The report recommended drawing up international contingency plans, developing better modeling methods to accurately predict the effects of falls in supply, and identifying international trading ‘pinch points’ to try and minimize them.

It also said agriculture should do more to adapt to a changing climate and become more resilient in the face of extreme weather, while at the same time increasing productivity to meet an increasing global demand for food.

(Editing by Clelia Oziel)

Copyright 2015 Thomson Reuters. Click for Restrictions.

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