Buildings and their associated systems are the largest source of greenhouse gases in the world. The 2030 Challenge aims to produce zero-net energy from new North American construction by 2030 while achieving a 50 percent reduction in carbon emissions from existing buildings. With less than 4 percent of commercial and residential structures in the United States and Canada certified by 2015, we seem destined to fall catastrophically short of this target....

In the Age of Scarcity now upon us, fresh water shortages are an increasingly serious global problem. With water restrictions emerging in many developed countries and water diversions for industrial, urban, and environmental reasons stirring up oceans of controversy, there is a growing thirst for innovative approaches to reducing our water footprint. Dry Run shows the best ways to manage scarce water resources and handle upcoming urban water crises....