Greg Hanscom

Greg Hanscom was a senior editor at Grist.

Cities outpace the ‘burbs for the first time in almost a century

Between-year census numbers suggest that many of our largest cities are growing more quickly than the shriveling suburbs. But it’s not just because cities are awesome.

Boxer blinks, OKs a train wreck of a transportation bill

After months of wrangling, the House and Senate have settled on a final transportation bill. It's not pretty.

Rio hangover: 50,000 people rallied for the Earth Summit. Did it do any good?

We came, we saw, we spent hours and hours stuck in Rio’s mythic traffic jams. Here's what we have to show for it.

Arnold ‘Terminates’ commitment to Rio Earth Summit

Arnold Schwarzenegger skips out on a mostly lame Rio+20, robbing the world of at least five chances for "I'll be back" to weave its way into speeches about sustainable development.

A tale of two summits: Rio People’s Summit is both vibrant and troubled

On one side of Rio de Janeiro, world leaders debated the future of the planet. On the other, a grassroots gathering gave a glimpse of the realities of life in the developing world.

In Rio, disappointment, discontent — and a few silver linings

The final Earth Summit agreement, to be signed by world leaders on Friday, isn’t worth the paper it’s printed on, according to many critics. But that doesn’t mean it was a waste of time.

17-year-old Kiwi shames world leaders into action at Rio

A few months ago, Brittany Trilford posted a homemade video of herself on YouTube, pleading with world leaders to save the planet. At Rio, she got the chance to deliver that speech in person, and the whole world was watching.

Did’s Twitterstorm to end fossil fuel subsidies work? Kinda

A storm of tweets cut through the Earth Summit cacophony for a brief moment Monday, but it also reignited old fights between rich countries and poor, and offered a reminder of just how far we still have to go.

For shame, America: Canadians dominate dubious awards in Rio

The United States, once a regular winner of the polluter-friendly Fossil of the Day Award, has fallen behind the pack, despite some pretty (un)impressive work at the Earth Summit.