The document summarizes key points from the Verge DC 2012 conference on sustainable urban development. It discusses how energy, transportation, buildings, and information technologies are converging to make cities more sustainable and efficient. Population growth and urbanization trends will make cities important drivers of sustainability and innovation over the coming decades. The conference covered topics like smart energy grids, electric vehicles, green buildings, open data platforms, and new tools and policies that allow cities to experiment and collaborate on sustainability solutions.