Smart Cities

Cities

Goodbye-ways: The downfall of urban freeways

A new report calls urban highways “a failed experiment,” and suggests that cities have much to gain from trading in blacktop for parks and new development.

Smart Cities

Meet the skyscrapers of the future: Band-Aids, balloon forests, and underwater spheres

This theoretical skyscraper, the winner of eVolo’s annual skyscraper design competition, would collect, purify, and store water in the Himalayas, helping to conserve and regulate it. It looks like a half pack of cigarettes in fancy holders, but it’s not …

Smart Cities

A mission for the next generation: Fix suburbia

We’ve spent 50 years subsidizing sprawling suburban development. Now we need to rethink and reimagine, says architecture professor Ellen Dunham-Jones. The good news? It has already begun.

Cities

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?

Election 2012

Rocky’s road: One of the country’s greenest mayors guns for the White House

Rocky Anderson is running for president, and the third item on his to-do list (after getting the money out of politics and pulling the United States out of foreign wars) is fighting climate change. How cool is that?

Biofuel

Critical List: Shale gas could squash renewables; scientists fiddle with photosynthesis

New York City promises to double the percentage of waste diverted from landfills within the next five years. Increasing shale gas production could squash renewable energy development. The Obama administration released a draft plan for protecting the country's oceans. Scientists …

Cities

C1ty By NuMb3r5: A formula for growing better cities

Theoretical physicist Geoffrey West says he's found the secret to bringing cities back from the brink. It's all in the numbers, he says. But numbers also may be our downfall.

Smart Cities

Green cities on the cheap: Low-cost solutions for a sustainable world

This interview originally appeared in The Dirt. Jaime Lerner was elected mayor of Curitiba, Brazil, in 1971, and reelected two more times before serving as governor of the Brazilian state of Paraná. As mayor, Lerner devised a number of low-cost …

Cities

Critical List: Seattle bans plastic bags; at least 100 million trees died in Texas this year

Seattle is banning retail stores from giving out single-use plastic bags. Paper bags will cost a nickel. Google is investing $94 million in solar projects. As many as 500 million trees died in the Texas drought this year. India could …