When it comes to buildings, Chicago has already done “tallest, biggest, and longest.” Now Chicago wants to be the “greenest”. We’ll find out how they’re raising the bar for all the other cities aiming for that same distinction.
Plus: From America’s biggest green-building expo, do-it-yourself 3D energy & carbon modeling — dark sunglasses for buildings — and devices that charge themselves up — all in this edition of Energy Priorities.

