Tilting at Turbines
Many environmentalists oppose a "green" idea for tidal power in the U.K. So do British surfers.
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Magazine Feature Story
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The Homemakers
Three innovators have created an approach that has greatly reduced — and just might end — homelessness.
Making a Market for Kidneys
Using game theory and market-design software, doctors are arranging kidney-transplant 'swaps' — sometimes in long chains — to give more people with renal disease better transplant options and healthier futures.
Great Society 2.0
An ambitious project in Chicago provides a glimpse at poverty solutions that might actually make a difference.
Core of the Problem
The National Ice Core Laboratory tries to answer one question: As the Earth warms, will sea levels rise three feet? Or 30? Or even more?
A Poverty Antidote Goes Global
Bill Strickland hopes to persuade 200 cities around the world to replicate his arts, education and job-training program.
The VA Brush-Off
The Department of Veterans Affairs routinely delays disability claims by wounded soldiers for months and years, often shunting them into homelessness. But there's a simple way for the government to get disabled veterans the help they deserve. It can trust them.
The New College Try
Gritty Hammond, Ind., and 80 other cities in decline have a novel approach to economic development: They're attracting new residents by offering to pay for their children to attend college. But is a promise to pay tuition a growth strategy — or welfare for the middle class?
How to B Good
B Lab wants to separate companies that merely claim they are responsible from those that actually do good in the world. But can a logo really change the way America does business?
Mother Nature’s Sum
Scientists are working to put economic value on the natural world, hoping to create ecosystem-services markets that protect the environment. But are they really just putting out a contract on Mother Nature?