Imagine a city planning committee is discussing ways to reduce food transportation emissions. They consider a proposal to create community gardens and rooftop farms throughout the city. Which principle of local food and energy production does this proposal primarily exemplify?

The proposal mainly shows the principle that food should be produced close to where it is eaten, which cuts the distance food travels and lowers the energy needed for transport. By growing food in community gardens and rooftop farms, the city keeps production local, so trucks and long‑haul shipping are reduced. This also means fresher food for residents and less fuel used. For example, a rooftop garden on a downtown building can supply fresh lettuce to nearby residents, avoiding the miles that a supermarket delivery truck would travel. Thus, the idea is to keep food production near its consumption point.