In the future, it won't be uncommon for entire neighborhoods to produce more energy than they consume.
Vertical farms increase production of food, reduce waste and naturally scrub the air of smog. What's not to love?
Glass-paneled walls filled with water absorb heat during hot spells and distribute it during cold snaps.
Massachusetts wins top marks for energy efficiency in an energy contest between the Patriots and Seahawks.
An urban plan for Paris could reduce the city's greenhouse gas emissions by up to 75 percent in 2050.
The process that tints the window actually produces, instead of uses, a small amount of electricity, which could be harnessed to power electronics.
Maglev elevators are able to carry 50 percent more people while reducing wait times to between 15 and 30 seconds.
This week, we present a host of tech meant to save people and perhaps save the planet.
+ Load More