We’re planning a green roof, and thought that solar would be the way to go. Now there’s an option for an even greener roof.

In some cities, folks are taking their gardens to higher ground and raising vegetables on rooftops. While space on the ground might be limited, most cities have acres of flat roofs with lots of sunlight.

And with increasing interest in fresh, local food, rooftop farming is a logical next step. Many entrepreneurs have already taken this next step and with the support of forward thinking city leaders more residents and businesses will follow.

Read more in this WPost article, and check out DC Greenworks for more on green roofs.