Infrastructure

A road made of crushed toilets

"Poticrete" is what Bellingham, Washington is calling their new road material, which incorporates ground-up toilets. Clever!

Mexico City’s urbanization threatens ancient ‘floating gardens’

Chinampas, or floating gardens -- small artificial islands full of crops, built up on shallow lake beds -- once sustained the Aztec capital of Tenochtitlan, producing multiple harvests every year. They still exist in Mexico City, for now.

Roads to ruin: Why ‘drill and drive’ is the new motto in Washington

One inconvenient truth gets lost in all the hullabaloo over Congress’ disastrous transportation bill: We can’t kick our addiction to asphalt.

Bipedal? Curious? Americans give walking and biking a try

More Americans are opting to walk or bike, rather than driving a car. Apparently, that message hasn’t gotten through to Congress.

Why the 21st century will see migration back to the Rust Belt

Now that climate change means the Sun Belt is becoming the Drought Belt, you might want to head north.

The McMansion trend has peaked

Americans' ideal home size declined to 2,100 square feet from a peak of 2,300, according to real estate research firm Trulia.

Young people expect the future to look like Thunderdome

Why do young people view the future as a dire place, even as their elders seem oblivious to the triple threat of climate change, resource scarcity, and growing inequality?

Florida missed out on $41 million a year by turning down high-speed rail

When Florida Gov. Rick Scott turned down $2 billion in federal money to build a high speed rail line between Tampa and Orlando, one of his arguments was that it would be a burden on the state. But documents obtained …

Why buildings haven’t gotten more efficient in 20 years

Everything single part of a building has become significantly more energy efficient over the past 20 years, yet buildings are using the same amount of energy they always have. Why?