Greg Hanscom

Greg Hanscom was a senior editor at Grist.

Flood pressure: Climate disasters drown FEMA’s insurance plans

A series of hurricanes has left the National Flood Insurance Program hopelessly in debt. A 2012 law aimed to fix that, but with residents of flood-prone areas irate, lawmakers are backpedaling.

Postcards from the edge

Street artists trace against time — and sea-level rise

Here's the story of how a quirky art project morphed into a surprisingly powerful tool for rallying communities to fight climate change.

On defense: Cities get serious about climate resilience in 2013

This is the year we realized that being "green" is more than a tired trend. For cities, coping with climate chaos is a matter of survival.

Postcards from the edge

The not-quite-perfect storm: Miami dodged the bullet last time, but can its luck hold out?

When Hurricane Andrew struck Southeast Florida in 1992, it only skirted Miami -- but it still did massive damage. The next one will likely be much, much worse

Postcards from the edge

Sink tank: In Miami, climate scientists ask, “How deep, how soon?”

We know the seas are rising, the question is how fast -- and how quickly will our coastal cities have to adapt?

Postcards from the edge

Miami vise: Rising seas put the squeeze on a sun-drenched beach town

In Miami Beach, high tides regularly flood streets with knee-deep seawater. The growing crisis, and the city’s response, hold lessons for seaside cities everywhere.

Postcards from the edge

Postcard from the edge: Urban conundrums on the front lines of climate change

In a warming world, cities will adapt or die. Grist's newest blog, Underwater cities, will take a hard look at what adaptation means.

Lessons from Superstorm Sandy

Saving the city from climate change, one house at a time

New York City’s chief urban designer struggles to protect his house from future floods, and gets a taste of just how unprepared we really are.

The caveman dilemma: Why we take such lousy care of ourselves and our planet

Harvard evolutionary biologist Daniel Lieberman says we're ill-adapted for the world we've made for ourselves.