Busting myths about food waste
Summary
The document argues that food waste reduction is an accessible and cost-effective opportunity for schools and communities. It highlights that up to 40% of food produced globally is wasted, contributing roughly 10% of global greenhouse gas emissions. Through examples from the US, such as the Olympia School District and Montgomery County, it demonstrates that simple interventions like bulk milk dispensers and share-tables can reduce waste and save money. The text promotes a hierarchy of food waste solutions, prioritizing source prevention and human consumption over composting.
Key insights
- Global food waste is a significant driver of environmental degradation and food insecurity; up to 40% of all food produced is lost or wasted globally, and the food lost on farms alone could feed the world's undernourished population nearly four times over.
- Food waste contributes significantly to climate change and habitat loss, representing approximately 10% of global greenhouse gas emissions, which is nearly four times the emissions of the global airline industry.
- Food waste reduction programs in schools can be cost-effective and generate savings. For example, the Olympia School District has removed 400,000 milk cartons from its waste stream annually since 2017, with Olympia High School saving $1,970 in annual waste collection fees.
- In Montgomery County, Maryland, a low-cost strategy using Energy Star mini-fridges and rolling carts (costing about $550 per school) has diverted nearly 400 tons of unopened food from landfills to hungry children and food banks, costing only $90 per school annually.
- National food waste in US schools (excluding milk) is estimated at up to 530,000 tons per year. Sending this waste to landfills is equivalent to adding approximately 46,100 passenger vehicles to the road for one year in terms of greenhouse gas emissions.
- The document advocates for a specific hierarchy of food waste solutions: first, preventing waste at the source; second, redistributing food to people via share-tables or food banks; third, feeding animals; and fourth, composting.
Cite the original document
- APA
- WWF International (n.d.). Busting myths about food waste. https://www.worldwildlife.org/resources/facts/busting-myths-about-food-waste/
- Chicago
- WWF International. Busting myths about food waste. n.d. https://www.worldwildlife.org/resources/facts/busting-myths-about-food-waste/.
- Wikipedia
- {{cite report |author=WWF International |title=Busting myths about food waste |url=https://www.worldwildlife.org/resources/facts/busting-myths-about-food-waste/ |access-date=23 October 2026 |via=Climate Insights Directory}}
- BibTeX
- @techreport{wwfinternationalndbusting, author = {{WWF International}}, title = {{Busting myths about food waste}}, institution = {WWF International}, url = {https://www.worldwildlife.org/resources/facts/busting-myths-about-food-waste/}, urldate = {2026-10-23}, note = {Indexed by Climate Insights Directory} }
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