Emma Green

A Map of God's Countries

The places where people think faith is necessary to be a good person.

Homelessness Is Up in New York City, But It's Down Everywhere Else

The Secretary of Housing and Urban Development says he's optimistic about the homelessness trends in many places.

Apps for the Elderly

Tricycles, computer magnets, and other technologies that could help people grow old comfortably.

Bill de Blasio Pitches Himself as the Next 'World Leader' Mayor of New York

The Democratic hopeful has kept his distance from some of Bloomberg's policies but seems eager to embrace the current mayor's worldly outlook.

Why It's Easier to Sympathize With Boston's Police Chief than New York's

A few months after the marathon bombing, Ed Davis talks about civil liberties with more nuance than Ray Kelly.

Al Gore: The Media Is 'Frightened to Death' of Talking About Climate Change

So let's talk.

The 'Silent Majority' Overlooked by Big Data

Be wary of self-selection bias when measuring engagement with digital platforms, a New York City official warns.

Are Smartphones the Solution to Urban Loneliness?

Tech enthusiasts argue that the rise of mobile will create more face-to-face relationships.

In the Government Shutdown, Mayors See a Moment to Shine

Washington's dysfunction gives them a chance to talk up their operational prowess.

The New Demographics of Anti-Smoking Campaigns

In many places in the U.S., the population is getting older and younger at the same time. And that has big implications for public health.

Be Like Mike: How Bloomberg Became the World's 'Mentor'

He wanted the way he ran his city to become a model for mayors everywhere. But can that idea persist once he's out of office?

Can Mayors Really Save the World?

Untangling the theory that local ideas can fix global problems.

Mapping the 'Geography' of the Internet

The Internet isn't a place where everyone shouts at each other. It's a collection of lots of small places where people are chatting among themselves.

How Becoming Mayor Changed Rahm Emanuel on Immigration Reform

The former White House Chief of Staff has started to push for more liberal policies on the issue. Will the feds follow his lead?

Which Comes First, Contactless Transit Fares or Widespread Adoption of Contactless Credit Cards?

The London Tube is adding the technology, but U.S. rail systems see it as a long way off.

Why St. Louis May Not Be Able to Stem its Asthma Epidemic

The city has one of the highest rates in the country, and efforts to cut smokers out just aren't working.