This summer, I participated in an event sponsored by the Port of Seattle unveiling a new report that addresses how to make sustainable aviation fuels economically competitive.

Presentation given by Ross Macfarlane at a Port of Seattle event on July 19, 2017, outlining the current state of sustainable aviation fuels.

Although President Trump has committed to pulling the United States out of the Paris Climate Accord, many of our cities are still moving full steam ahead to clear the air and fight climate change. More than 200 U.S. municipalities have declared ...

Keynote presentation given at Western Washington University’s Repowering Mobility conference on April 18, 2017, exploring the various challenges and opportunities for decarbonizing aviation, freight, marine, and passenger vehicles.

Over the past decade, cities and counties have become increasingly knowledgeable about developing meaningful CAPs and best practices from first-generation CAPs that the nation’s largest and best-funded cities created.

Welcome to Clean Energy Transition, an initiative that promotes strategies to accelerate the transition from fossil fuel to clean energy, focusing on low-carbon pathways, urban clean energy, and clean energy economics.

During his campaign, Donald Trump promised struggling coal mining communities that he would bring back all the jobs that have been disappearing over the past decades. Outlining his energy agenda last May, Trump told coal miners to...

Presentation to the City of Olympia, Washington staff on the community's energy sources and uses, as well as a depiction in a wedge analysis of where the city could invest in strategies to reduce carbon emissions to achieve a target of 50 percent fewer emissions from 2014 levels by 2030.

With cities accounting for 70% of global carbon emissions, and half the world and 80 percent of Americans living in urban environments, cities should play a critical role in reducing greenhouse gas emissions.

A clean electricity grid is a climate twofer: not only does a completely renewable power supply make it easier to decrease building sector and industry carbon emissions, it also paves the road for removing carbon pollution from the transport sector..

Presentation to the Everett, Washington City Council on the community's energy sources and uses, as well as a depiction in a wedge analysis of where the city could invest in strategies to reduce carbon emissions to achieve a target of 50 percent fewer emissions from 2014 levels by 2030.

Portland, OR Mayor Charlie Hales released a draft Home Energy Score policy on September 7 that would require sellers of all single-family homes within the city limits to obtain a home energy performance report and disclose the results when listing...