Henry Grabar

Smartphones and the Uncertain Future of 'Spatial Thinking'

Navigation apps are transforming the way we experience urban environments, for better and for worse.

All Aboard Florida

The Triumphant Return of Private U.S. Passenger Rail

Can new train service between Miami and Orlando be a model for the rest of the country?

Flickr user royluck

Can Houston Learn to Love Light Rail?

In a city where nine in ten drive to work, the answer could reshape the future.

Henry Grabar

Love in a Time of Public Transportation

Valentine's Day at the New York City Transit Museum's missed connections party.

The Lost Excitement, Pathos, and Beauty of the Railroad Timetable

An elegy for the paper symbol of the mechanical age.

Shutterstock

How Melbourne Is Selling Commercial Property Owners on Green Retrofits

The city's 1,200 Buildings program has been cited as a model. 

Shutterstock

Why Skeptics Are Happy With Today's Big Climate Change Report

The IPCC's latest assessment is frightening... but it's also bolstering the claims of deniers. 

Shutterstock

The Closest Look Yet at the Relative Energy Efficiency of Big Buildings

How do you reduce the greenhouse gas emissions of skyscrapers? For starters, make a chart. 

Flickr/IntangibleArts

Could Nighttime Deliveries Solve a Lot of Our Traffic Problems?

One man's crusade to get restaurants, shops and offices to receive all their goods between 10 and 6.

Shutterstock

A Necessary War on Garbage Trucks

Inside New York City's plan to reduce the annual miles driven by its sanitation department.

An Amazingly Precise New Tool to Measure Roadway Pollution

Five percent of vehicles are responsible for 90 percent of toxic emissions. Now we can figure out who the culprits are.

Shutterstock

'Microbial Batteries' Could Soon Allow Us to Harvest Electricity From Wastewater

Stanford scientists say they've figured out how, and now the challenge will be to make it cheap enough to do on a large scale.

Flickr/Mircea2011

Why Is There So Little Innovation in Water Infrastructure?

For one thing, consumers have no tolerance for risk. 

Shutterstock

What If Roads Lasted Twice As Long?

An innovation in Texas could extend highway lifespans and decrease repair spending.

Shutterstock

50 Years After Its Discovery, Acid Rain Has Lessons for Climate Change

If researchers want to study the connection between environmental disaster and popular concern, acid rain would be a good place to start.

Shutterstock

How Biofuel Technology Turned Restaurant Grease Into Gold

As its value has risen, a growing class of criminals are focusing on stealing and selling used cooking oil.

Associated Press

The Coming Battle Over Electric Bicycles

E-bikes are poised for a boom, but are we ready for them?

Associated Press

How Lasers Will Give the U.S. East Coast Precise New Post-Sandy Maps

The survey will kickoff the most revolutionary American mapping project in a century.

Reuters

Why Blackouts Are More Common Than Ever, in 2 Charts

Ten years after the 2003 meltdown, weather-related outages are on the rise.