January 19, 2016, 12pm PST
About 80 percent of New York City's greenhouse gas emissions come from its building stock, so the city's goal to cut emissions 80 percent by 2050 will hinge on aggressive retrofitting requirements in addition to new green building standards.
November 19, 2015, 8am PST
The mode share for bikes in urban environments around the world currently sits around 6 percent. A new report out of a university located in one of the most bike-friendly cities in the country quantifies the benefits of 10 percent mode share.
October 26, 2015, 7am PDT
New green buildings may be de riguer, but preservation does less harm.
Boston Society of Architects
June 2, 2015, 1pm PDT
The writing is on the wall for what's left of the coal industry.
May 19, 2015, 11am PDT
California's economy is not only the "least carbon-intensive" in the United States, it's the second lowest in the world when measured per economic output, according to a new study that evaluates economics and environment.
May 8, 2015, 11am PDT
The last time carbon dioxide levels were this high was a million years ago. The global community needs to reduce emissions by 80 percent to stop the increase in CO2 levels. The data was reported by the National Oceanic and Atmospheric Administration.
January 15, 2015, 10am PST
President Barack Obama hopes to add to his "climate legacy" by having the EPA adopt the nation's first regulations to reduce methane emissions, the second most prevalent greenhouse gas emission after carbon dioxide, but far more powerful.
January 11, 2015, 11am PST
The House voted for the tenth time to approve the pipeline, and a split decision by the Nebraska Supreme Court removes a key objection of President Barack Obama to ruling on Keystone XL. The Senate begins debate Monday.
December 16, 2014, 7am PST
Known as the Lima Accord, after the capital of Peru where representatives from 200 nations met for two weeks, a deal was reached to reduce greenhouse gas emissions in preparation for talks to be held in Paris in December. But is it strong enough?
December 8, 2014, 9am PST
An appellate court's rejection of SANDAG's $200 billion sustainable communities plan holds far-reaching implications for how regional planners evaluate greenhouse gas emissions from transportation to meet SB 375 requirements to the year 2050.
December 4, 2014, 7am PST
For the first time since 2006, gasoline consumption in California increased from the prior fiscal year. From July 2013 through June 2014, consumption increased 1 percent.
December 3, 2014, 10am PST
Urban emissions researchers have been invited to speak at the UN Climate Conference in Lima. Their findings: through focused and networked monitoring, cities can make real inroads on cutting carbon.
August 15, 2014, 10am PDT
It could be as low as nine cents per gallon, or as high as 76 cents, writes UC Berkeley energy expert Severin Borenstein. On January 1, transportation fuels are included under California's landmark cap and trade program.
August 1, 2014, 11am PDT
An overview of how Los Angeles County’s Department of Parks and Recreation is creating projects that tackle the effects of climate change, by planner Clement Lau.
February 24, 2014, 9am PST
AB 32, California's landmark climate change legislation, expires in 2020. Senator Fran Pavley (D-Calabasas), co-author of AB 32 in 2006, has teamed-up with Senator Ricardo Laro (D-Long Beach) to write a bill to continue emission reductions to 2030.
January 16, 2014, 6am PST
For urbanists who have reduced their carbon footprints by driving less and living more densely in smaller homes, researchers from UC Berkeley have some bad news. Your reduced emissions are canceled out by those in the suburbs ringing your city.
Los Angeles Times - Science Now
January 7, 2014, 9am PST
California's embattled high speed rail, which appears to be on life support following a Nov. court ruling, will receive funds from the state's carbon cap & trade program in Gov. Brown's budget to be released Friday. But will it make a difference?
The Sacramento Bee - Capitol Alert
October 16, 2013, 7am PDT
Though the U.S. Supreme Court turned aside a more aggressive challenge to the EPA's climate regulating authority, it has agreed to hear arguments on the agency's ability to limit emissions from stationary sources.
September 27, 2013, 10am PDT
China's drive to reduce urban air pollution and increase energy security will unleash massive carbon and toxic emissions, almost tripling its current emissions over 40 years. The plan is to build 40 plants to convert coal to synthetic natural gas.
September 24, 2013, 2pm PDT
Even if our warming planet wasn't threatened with environmental catastrophe, the case for reducing fossil-fuel use is an easy one to make. A new study shows that reduced air pollution from cutting emissions would save millions of lives by 2100.