What makes a grid "smart"? [Marketplace]

The Green New Deal outline refers many times to “smart grids” as an essential step toward the development of sustainable, eco-conscious, and even carbon-neutral city infrastructure.

But what is a smart grid? And what do you need to know about it? Check out my first piece in Marketplace, live today, in which I spoke to some of the pioneers of smart-grid tech in the US and checked in on their cities’ progress and frustrations.