Dr Edwin Masimba Moyo, entrepreneur, agricultural innovator, and author of The Mathematics of Food, has launched a public initiative called the “Food Thinking Challenge.” The challenge is designed to help individuals build awareness around everyday food decisions and their wider impact on health, waste, and global systems.
The initiative is rooted in a core idea from Dr Moyo’s work:
“Food is not just what we eat. It is a system shaped by numbers, choices, and long-term consequences.”
The challenge focuses on one simple habit: thinking before consuming.
Why This Matters
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Around one-third of all food produced globally is wasted each year
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Poor diets contribute to millions of preventable health cases annually
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Ultra-processed foods make up over 50% of diets in many developed countries
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Food systems account for over 25% of global greenhouse gas emissions
Dr Moyo explains:
“When we change how we think about food, we begin to change outcomes. Small daily decisions can scale into meaningful impact.”
The 7-Day Food Thinking Challenge
Each day includes a short task requiring no tools, apps, or purchases.
Day 1: AwarenessPause before each meal. Ask: Why am I choosing this food?
Day 2: ObservationNotice how much food you throw away. Write it down mentally.
Day 3: SimplicityEat one meal made from basic, unprocessed ingredients.
Day 4: Value ThinkingThink about where your food came from and who produced it.
Day 5: Health ReflectionAfter eating, observe how you feel physically and mentally.
Day 6: ReductionReduce portion size slightly. Avoid overeating.
Day 7: ConnectionShare a meal or conversation about food with someone else.
Share Your Progress
Participants are encouraged to reflect on their experience.
Suggested public post prompts:
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“Day 3 of the Food Thinking Challenge: Today I realised…”
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“This week changed how I think about food because…”
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“One habit I will keep after this challenge is…”
For those who prefer privacy, participants can:
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Keep a simple written journal
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Reflect quietly at the end of each day
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Discuss insights with a friend or family member
Call to Action
The challenge is open to anyone, anywhere. No sign-up is required.
Start today. Begin with Day 1 at your next meal.
To read the full interview, visit the website here.
About Edwin Masimba Moyo
Dr Edwin Masimba Moyo is an entrepreneur, author, and agricultural innovator based in Washington, DC. He is known for pioneering Zimbabwe’s blueberry industry and leading export horticulture projects across Africa. He is the founder of AgriConnectAfrica, a digital platform connecting small-scale farmers to global markets and finance. His latest book, The Mathematics of Food, explores the economic forces shaping global food systems and the long-term impact of everyday food choices.
Contact:
Info@edwin-masimba-moyo.com
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Website: edwin-masimba-moyo.com
