Chengdu Tianfu District Great City is supposed to be a prototype that can be replicated elsewhere throughout China.
Future cities could include pancake-shaped buildings, power plants that harvest lightning and ocean-based skyscrapers that produce potable water and clean...
Decentralized networks capitalize on traffic chaos
Highways basking in the hot sun are wasted energy. Scott Brusaw's solution? Make them out of solar panels
Willem van Cotthem’s super-soil harnesses the power of Pampers to turn dirt into lush gardens
David Keith believes strong-arm strategies could soon be our last resort for reversing record levels of carbon in the atmosphere
It would be easy to dismiss Mitchell Joachim’s fantastical vision for ecological supercities, with their flocks of jetpacks and mass-transit...
For environmentalist Jesse Ausubel, going green means land conservation and energy efficiency—and forgetting “boutique” renewables like windmills and biofuels
Jeffrey Martin’s closed-loop plan for recycling heat-trapping carbon emissions into gasoline
With the Sahara desert rapidly encroaching on livestock-nourishing grassland, architect Magnus Larsson proposes a 3,728-mile-long barrier wall—built by bacteria
Like science, tech, and DIY projects?
Sign up to receive Popular Science's emails and get the highlights.