From bike shares to urban farms, Philadelphia is on the rise

And a new office of urban innovation could spur even more eco-futurism in the City of Brotherly Love.

David Roberts talks fracking on MSNBC’s ‘Up With Chris Hayes’

It's not often a cable TV show hosts a smart, in-depth discussion of energy issues. David Roberts takes part in that rare episode on a recent "Up With Chris Hayes."

Study finds ‘widespread seafood fraud’ at restaurants

Almost 40 percent of tested fish in New York City were mislabeled, with endangered or toxic varieties being served instead of what's listed on the menu.

Milk sales have declined sharply, perhaps because we aren’t all babies

Declining sales point to the fact that fewer Americans are drinking milk. Philip Bump offers an explanation -- plus reasons why it's gross anyway.

Nothing corporate: Holiday shopping outside the big-box store

An attempt to avoid giving chain-store Christmas gifts kicks off with a weekend craft-fair binge.

Ask Umbra: How to preserve green news

This week, Umbra writes to you for help. We have less than 24 hours to dispatch a despicable plot.

Here’s how you can get conservatives to care about the environment

"Purity, patriotism and reverence for a higher authority" motivate conservatives to care about the environment. Moral arguments, not so much.

New York’s bike share gets a new new new new new launch date

NYC's bike-sharing program is now expected to start up in May 2013. If you're adding that to your calendar, do so in pencil.

The Grister who stole Christmas

When one Grist staffer set out to create a low-impact holiday, a national TV news program dubbed him a “Grinch.” But his message seems to have struck a chord.