Why aging boomers need walkable cities more than convenient parking

Hydrogen atoms may be capable of bonding with literal nothingness

World's first recycled plastic bike path opens in the Netherlands

What would your city be like without cars? This city tried it

Do we still need daylight saving time?

Do you have a zillion tabs open? It's OK

This compact wind turbine is perfect for blustery cities

How older Americans got stuck in the suburbs

Plants use blazes of light to communicate

New high-resolution map of Antarctica shows the continent in incredible detail

In 1972, a computer model predicted the end of the world — and we're on track

Swiss firm gains steam in mission to suck CO2 directly from the air