← Writing archivePlaying with EPA Data on CartoDB · Louisville Brownfield Proximity by Census TractJun 3, 2015 · 1 min readPlaying with EPA Data on CartoDB · Louisville Brownfield Proximity by Census Tract View the original post on WilliamRiggs.comOlderBlack Residents of San Francisco Are Far Less Likely to Live in Walkable NeighborhoodsNewerGreat conversation @Oppsites this am on using technology to reimagine urban development…