May 24, 2013, 10am PDT
Paris, London, Copenhagen: all over the world, opponents have tried to put the brakes on bike-share programs. Then they fall in love. Is New York City next? The author of "Traffic" thinks so.
February 26, 2013, 5am PST
Engineering marvel, polluted sewer, magnet for development - the Chicago River has worn many hats in its day. For its next role, can it become an "example of environmental innovation and ecological stewardship"?
August 8, 2012, 5am PDT
In Colorado and the West, the most desirable real estate is also the most likely to burn, writes Michael Kodas.
March 18, 2012, 9am PDT
Emma Marris reviews a new book by Andrew Ross, a cultural critic at New York University, that tries to understand how Phoenix came to be what it is, and determine whether there's any way it can be turned around.
November 28, 2011, 2pm PST
Faced with climate change and poverty, Africans are focusing on a new farming frontier: the cities.
September 1, 2011, 11am PDT
Deadly algae and invasive species are choking the life out of Lake Erie. It recovered from near-death 40 years ago, but the regulations that helped save it last time are under increasing attack.
June 15, 2011, 12pm PDT
With the unlikely help of a group called the Mayors Automotive Coalition, down-at-the-heels towns are reinventing themselves - in various shades of green.
December 11, 2010, 5am PST
This article from <em>OnEarth</em> magazine looks at ideas for improving transportation in the United States, and offers some illustrations to help explain.
December 10, 2010, 5am PST
Thousands of Louisiana residents are being forced to retreat from their rapidly disappearing coastal communities.
October 21, 2010, 2pm PDT
New York has a filthy history, says Robin Nagle, the New York City Department of Sanitation's anthropologist-in-residence. The muck of early Manhattan was much worse than you even suspected.
April 27, 2009, 9am PDT
Wartime urban gardening and the Obama's White House vegetable garden should be our inspiration in our efforts to wean our food systems off of industrial-scale agriculture, writes Michael Pollan, author of "In Defense of Food."
October 25, 2007, 1pm PDT
<p>Oil reserves in Canada have the mouths of investors watering, and many Canadians willing to accept the vast environmental degradation that will result from the oil's extraction.</p>
January 11, 2005, 12pm PST
While it is hard to imagine the 20th Century without the automobile, it is equally hard to imagine the 21st Century with it - at least as is. A look at what the international automobile industry is doing to clean up their products.