Sustainability's next tipping point. Interconnected technologies for energy, buildings and transportation enable radical efficiencies and huge opportunities.

IBM's Dave Bartlett dishes on his efforts with the company's Smarter Planet campaign and why he is so optimistic about his work.

More heat waves and stronger storms are among the climate change risks being experienced by city governments across the world.

Metrics mean nothing without context. Visualization software could make it simpler to analyze the massive volumes of data collected by cities.

As the CTO of GE Aviation, Dave Bartlett compares planes to buildings, and buildings to living entities. What does that mean for the airline industry?

Self-driving vehicles could end human-error auto fatalities and slash automotive carbon emissions in just 10 years, but we need early adopters.