Two changes could nearly halve carbon footprint of US school lunches
US schools could nearly halve the carbon emissions of the lunches they offer by only serving beef once a month and replacing the highest emitting meal a week with a vegan option.
![Two changes could nearly halve carbon footprint of US school lunches](https://images.newscientist.com/wp-content/uploads/2023/08/02211321/SEI_166304129.jpg)
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