greg hanscom

Greg Hanscom

Underwater cities

Greg Hanscom is a senior editor at Grist. He tweets about cities, bikes, transportation, policy, and sustainability at @ghanscom.


Dreading water: Should coastal communities bear the cost of future floods?

Coastal residents are irate about rising flood insurance premiums. But the next time the sea crushes the coast, the taxpayers may not be able to pick up the bill.

Climate & Energy

The madding cloud: When forecasting the future, scientists’ blind spot is above them

Clouds -- or a shortage of them -- could send the climate into a tailspin. The trouble is, it's almost impossible to predict what they'll do.


Flood money: How Congress is botching the effort to climate-proof insurance

Lawmakers are retreating on basic reforms when they should be looking to the future, and creating even more dramatic changes.


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.


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.


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


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?


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.

Got 2.7 seconds?

We've devised the world's shortest survey to find out what kind of actions our readers are taking. You know you want to.