December 4, 2013, 1pm PST
New studies published this week challenge the 2 degree Celsius global warming threshold and call for an early warning system to monitor climate shifts.
November 22, 2013, 6am PST
In order to stave off the worst climate change scenarios, experts have recommended that the world's countries must aggressively expand their efforts to limit greenhouse gas emissions. Some surprising countries are headed in the opposite direction.
October 29, 2013, 2pm PDT
Regulations and a natural gas boom have helped reduce America's CO2 emissions to their lowest level since 1994. But CO2, and plenty of other toxic particles, continue to pollute our urban air. Brentin Mock looks at 5 highly polluted urban areas.
October 23, 2013, 9am PDT
The opening of a "striking" new boathouse designed by noted architect Jeanne Gang along the Chicago River is a major milestone in the transformation of the city's "Ol’ Pisspot” into a public amenity.
September 20, 2013, 2pm PDT
Though the Wall Street Journal's editorial board and Victoria's Secret Angels are unlikely to ride one, Citi Bikes have attracted a wide swath of New Yorkers. Apparently this also includes the city's ample supply of weirdos.
September 20, 2013, 12pm PDT
A year and 2.5 million public comments after the Obama Administration first proposed setting limits for the emission of carbon dioxide by power plants, the EPA is set to announce its final plan today. Could this mean the end of new coal plants?
September 11, 2013, 2pm PDT
New Orleans is planning a novel approach to managing the city's perpetual threat of floods. Instead of trying to prevent and pump out every last drop, the city will slow and store stormwater under a 50-year, $6.2 billion program of retrofits.
September 7, 2013, 9am PDT
John Upton notes some startling changes among Gulf oil refineries - the ones that had been clamoring for the Keystone XL pipeline to be built in order to access Canada's oil sands. It's been two years - and the oil is flowing - with or without it.
August 29, 2013, 6am PDT
New York’s Lake George will soon be wired to more monitoring technology than any other body of water in the world.
August 12, 2013, 11am PDT
As the Keystone XL pipeline project remains mired in political muck, a second pipeline project is quietly moving toward approval.
July 29, 2013, 9am PDT
For those who have embraced cycling for leisure or their daily commute, being comfortable biking at night in urban environs may be the final frontier. Elisabeth Kwak-Hefferan offers some tips for navigating darkened streets in style and safety.
July 21, 2013, 7am PDT
For Alan Durning, curb-parking territoriality is the root cause of many of America's urban ills, from housing affordability to economic vitality. He describes the circumstances that've led to the current state of affairs and introduces the way out.
July 18, 2013, 7am PDT
The CIA, in partnership with other U.S. government agencies, is funding a $630,000 scientific study into the plausibility and potential effects of climate engineering to reduce global warming. Let the conspiracy theories begin.
July 5, 2013, 6am PDT
Since we covered the many problems encountered by users of New York's Citi Bike, we though it only fair to share news of a large-scale bike share system that recently launched with far fewer problems (at least according to one reporter).
July 2, 2013, 6am PDT
A narrow approach to land use policy makes it difficult for communities to assess, and consider, the full impact of new big-box stores. But on Cape Cod, a regional planning framework allows the hidden consequences of big boxes to inform decisions.
June 24, 2013, 12pm PDT
At the beginning of a two-day trip to India, the world's third largest emitter of carbon dioxide, U.S. Secretary of State John Kerry made solving climate change a focus of his public remarks. The U.S.'s own failures elicited skepticism from locals.
June 10, 2013, 8am PDT
When does the opening of a Whole Foods generate national media attention? When the location is Midtown, Detroit.
May 30, 2013, 7am PDT
A new report documents the diversity of America's cycling community, countering the stereotype of the "spandex- or skinny jean-clad" white rider. However, minority communities suffer from a deficit of cycling infrastructure. Can this be changed?
May 29, 2013, 11am PDT
With electricity demand slowing, the model of continued growth that has kept public utilities in operation for the last century needs rethinking. David Roberts examines how utilities will need to change to suit the coming ‘century of electricity’.
May 27, 2013, 7am PDT
Grist has compiled a list of the ten U.S. cities most likely to be affected by climate change.