I hadn't heard the "rot" one, but I imagine it's referring to composting. We have a county-run composting site (https://www.princegeorgescountymd.gov/departmen

I hadn't heard the "rot" one, but I imagine it's referring to composting. We have a county-run composting site (https://www.princegeorgescountymd.gov/departments-offices/environment/waste-recycling/residential-collections/pgc-composts https://www.princegeorgescountymd.gov/departments-offices/en...), and apparently when done right it produces a whole lot less methane than letting organics get buried and decompose in landfills.