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.

Politics

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.

Politics

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.

Politics

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.

Politics

Did 350.org’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.

Politics

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.

Biking

Rio cycle: Canadian bikes to Earth Summit (with a little help from trains and buses)

Last January, sustainability planner Naomi Devine set out from Vancouver, British Columbia, planning to ride her bike to the Earth Summit in Brazil. It didn’t work out the way she imagined, but she still made the rest of us look like chumps.

Politics

Rio-ality check: Can the Earth Summit be saved?

With just days to go before world leaders arrive in Rio, international talks are sliding toward the lowest common denominator. But maybe that’s not such a bad thing.

Politics

40 years of environmental diplomacy — what do we have to show for it?

On the eve of the Rio+20 Earth Summit, we look back at four decades of global conservation efforts and take stock of the successes and the failures. Well, mostly the failures.