Henry Grabar

Henry Grabar is a staff writer for Slate’s Moneybox and a former fellow at CityLab. He lives in New York.   

How Melbourne Is Selling Commercial Property Owners on Green Retrofits

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

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. 

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. 

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.

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.

'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.

Why Is There So Little Innovation in Water Infrastructure?

For one thing, consumers have no tolerance for risk. 

What If Roads Lasted Twice As Long?

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

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.

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.

The Coming Battle Over Electric Bicycles

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

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.

Why Blackouts Are More Common Than Ever, in 2 Charts

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

Would This Insanely Complex Diagram Help You Navigate a Subway System?

Tokyo made a guide to its labyrinthine underground network. But despite their good intentions, it may as well have been drawn by M.C. Escher.

How Design Students See Gadgets Grappling With the Future of Urban Pollution

Breathing walls, noise-to-music converters, and more.

Why Walmart Still Hasn't Crushed the Regional Grocery Store

Brand loyalty still plays a big role even though supermarkets mostly sell all the same stuff.

Henning Larsen's Greatest Building Was Also His Greatest Failure

The architect, who died last month, spent the last years of his career carefully disowning the Copenhagen Opera House.

YOLO of the Day: The Yolobus

Next stop #yolo.