| Source | Chicago Sun-Times |
|---|---|
| Original Load Date | Nov. 22, 2025, 6:01 a.m. |
| Last Updated | Nov. 22, 2025, 6:01 a.m. |
| Original URL | https://chicago.suntimes.com/environment/2025/11/22/green-era-campus-food-waste-biodigester-compost-renewable-energy-auburn-gresham |
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Each day at the Green Era Campus in [ Auburn Gresham ][7] , trucks drive into a
cavernous industrial facility to unload withered vegetables,...