greg hanscom

Greg Hanscom

Underwater cities

Greg Hanscom was a senior editor at Grist.


This map shows the freakiest places to ride a bike in NYC

This is your brain. This is your brain wired up with electrodes and forced to pedal through New York's terrifying concrete jungle.

Climate & Energy

Enjoy it while it lasts — winter is moving north

A zippy new infographic shows how our winters are warming. Type in your city and find out whose secondhand seasons you'll have by 2100.

Climate & Energy

Good news and bad news about rising seas

First the good news: Seas didn't rise as much as we thought in the 20th century. Bad news? They're rising even faster now.


Why death won’t keep me from biking in the city

Our streets weren't designed to accommodate bikes and cars together, but with work, we can get there.


Lessons from 2014: If you care about green cities, you must care about justice too

Cities may hold the solutions to our global climate crisis -- but only if we address deep-seated inequities.

Climate & Energy

Sea swallows the last house in doomed Virginia beach town

In the 1950s, developers pitched Cedar Island, Va., as the next great East Coast beach resort. That dream is now completely gone.


Here’s what your city will look like when the ice sheets melt

Greenland and Antarctica won't melt in our lifetimes, but these maps give us a glimpse of what our descendants are in for.

night rider

Bright ideas for biking at night

Here's your guide to bike lights, reflectors, and not getting flattened while bicycling in the dark.


Meet the man who re-energized NYC parks — and wants to do the same for yours

Adrian Benepe was responsible for adding more than 700 acres to the Big Apple's park system. Now he's taking the cause national.