April 13, 2018, 5am PDT
According to to a recent study, methane gas produces a much larger greenhouse effect than previously thought. Planners can act to limit the environmental impact of methane.
March 24, 2018, 11am PDT
By the usual measures, wealthy "consumer cities" have largely put a check on their carbon emissions. But that doesn't account for the emissions that their consumption habits fuel in other places.
February 21, 2018, 9am PST
The inventory, a requirement from a 1992 U.N. treaty, shows emissions from most sectors are either decreasing or holding steady. The major exception: transportation.
February 5, 2018, 1pm PST
One legislator believes CEQA "is a key barrier to California meeting its ambitious climate change goals.”
January 10, 2018, 9am PST
The city of Pasadena has released its draft Climate Action Plan, but how will the city achieve an 83 percent reduction in greenhouse gas emissions if the plan sets no mandates?
January 8, 2018, 10am PST
In just his first year, the high-profile and controversial cabinet member “has begun to dismantle former president Barack Obama’s environmental legacy.”
November 29, 2017, 11am PST
While forests sequester atmospheric carbon dioxide, wildfires release enormous amounts of greenhouse gases as they increase in frequency and intensity from climate change.
September 26, 2017, 5am PDT
A coalition of government bodies from eight states around the country has sued the Trump Administration, claiming that the U.S. DOT unlawfully suspended an emissions accounting rule.
September 16, 2017, 11am PDT
For almost two years, MUNI's diesel-powered buses in San Francisco have run entirely on renewable diesel fuel. Diesel-powered Amtrak trains running from San Jose to Sacramento could be next.
July 16, 2017, 1pm PDT
Caling the upcoming vote on AB 398, which has created strange political bedfellows, "the most important vote of your life," Gov. Jerry Brown cast the decision as choosing between "massive new regulations" and market-based mechanisms.
June 30, 2017, 12pm PDT
At the dawn of automated vehicle technology, humans, and Americans in particular, should recall the shortcomings of past utopian visions.
Eno Transportation Weekly
April 24, 2017, 9am PDT
With the adoption of the "Spare the Air - Cool the Climate" program, the Bay Area's air quality regulatory agency has broadened its mission to make reduction of greenhouse gases a paramount goal, along with protecting public health.
April 21, 2017, 12pm PDT
The city of San Francisco hit its greenhouse gas emissions reductions targets two years ahead of schedule. The city has reduced greenhouse gas emissions by 28 percent since 1990—the economy grew by 78 percent in that same time period.
March 7, 2017, 11am PST
On Tuesday, the Trump administration anticipates unraveling two signature Obama environmental regulations: fuel efficiency standards for model year 2022-2025 light-duty vehicles and beginning the undoing of the Clean Power Plan.
February 23, 2017, 10am PST
Some evidence suggests that apartments lead to more greenhouse gas emissions per capita than houses. Does this mean that suburbs pollute less than cities? Probably not.
February 11, 2017, 1pm PST
New York plans to drastically cut greenhouse gas emissions from public housing.
February 5, 2017, 7am PST
As the lawmakers in Washington, D.C. prepare to gut the U.S. Environmental Protection Agency, environmentalists got inspiring news from the country of Sweden.
January 20, 2017, 9am PST
The cuts mean that China is on target to meet its coal power generation limit for year 2020. But even with the cancellations, China will have surplus coal power resulting in underutilization of renewable power due to preference for coal by utilities.
November 18, 2016, 1pm PST
Methane wells are the dirty little secret of greenhouse gas emissions. A new study says they're a bigger problem than previously recognized in the state of Pennsylvania.
October 17, 2016, 10am PDT
An historic agreement reached by 170 global leaders in Kigali, Rwanda on October 15 to limit hydrofluorocarbons could have more of an impact on reducing climate change than the carbon emission agreement reached in Paris ten days earlier.