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.
October 10, 2016, 12pm PDT
Germany has approved legislation calling for the end of the end of internal combustion engine by 2030. Whether the rest of Europe follows Germany's lead is to be determined.
October 8, 2016, 5am PDT
October 5 was an historic day, hailed President Obama, as nations responsible for emitting more than 55 percent of world carbon emissions have now signed the Paris climate agreement, the threshold needed for the accord to take effect in 30 days.
October 7, 2016, 8am PDT
Hydroelectric generation itself doesn’t produce greenhouse gases, but it does rely on the creation of reservoirs that release methane into the air.
September 14, 2016, 11am PDT
The year-long program will begin in November, laying a foundation for a national carbon market.
August 15, 2016, 5am PDT
A new policy from the Obama Administration asks government to calculate, and attempt to lower, their carbon emissions.
August 5, 2016, 10am PDT
2015 was basically the Michael Phelps of climate change, according to a new report.
July 22, 2016, 6am PDT
A new study from University of Michigan researchers tallies, and then compares, the greenhouse gas emissions from different sectors of the U.S. economy.
July 11, 2016, 7am PDT
Gas prices are down and sales are up, and greenhouse gas emissions from transportation, the largest source of the state's emissions, are up, even though overall they dipped. In addition to increased driving, sales of EVs and hybrids dropped.
May 18, 2016, 5am PDT
While the methane reduction targets are the same as the draft rule released last August (i.e., 40-45 percent reduction of 2012 levels by 2025), the new rule removes exceptions, resulting in a 30 percent improvement in reductions of methane.
April 17, 2016, 11am PDT
For the first time, electricity generated from burning natural gas will surpass coal, largely due to fracking of shale. While that means that carbon dioxide emissions will continue to drop, it also means that methane emissions will increase.
The Washington Post - Energy and Environment
January 26, 2016, 5am PST
The damage caused by Michigan environmental agencies charged with protecting public health extend far beyond Flint. Residents suffering health effects from a huge natural gas leak in Southern California see parallels with the lead poisoning crisis.
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.