Sign up | Login with →

Posts by Marianne Lavelle Subscribe

In British Columbia, Mulling the Role of Natural Gas in a Sustainable Energy Future

British Columbia finds itself at the forefront of the global debate on natural gas, and its role in the future of energy.Some 15 energy company consortiums are vying to build massive export terminals on the Pacific coastline of Canada’s westernmost...

Posted April 2, 2014    

Powering Our Urban Future: Spotlight on Turkey

Istanbul, the only city in the world that spans two continents, is a perfect setting for a close look at the energy and sustainability challenges of our increasingly urban planet.With 14 million people, Istanbul is the largest city in Europe. But...

Posted March 10, 2014    

Obama's Fuel Economy Drive for Trucks Aims to Curb Fast-Growing Climate Change Problem

In his call Tuesday for boosting the fuel economy of heavy-duty trucks, President Barack Obama is taking aim at one of the world’s fastest growing engines of oil demand and greenhouse gas emissions.But one of the most popular ideas for reducing oil...

Posted February 20, 2014    

Methane Emissions Far Worse Than US Estimates, But Study Concludes Natural Gas Still Better Than Coal

Emissions of the potent heat-trapping gas, methane, the main component of natural gas, are likely 50 percent higher than U.S. government has estimated in its official greenhouse gas inventory, says a new study that is the most comprehensive effort...

Posted February 18, 2014    

Oil Flows on Keystone XL's Southern Leg, But Link to Canada Awaits Obama Administration

Oil has begun flowing on the southern segment of North America’s most controversial pipeline project: the Keystone XL. TransCanada announced Wednesday that it had begun operations to send crude from the congested pipeline and storage hub of Cushing...

Posted January 24, 2014    

Eight Steps for Safer Oil Trains Eyed by U.S. Officials

U.S. officials are weighing a wide range of actions to address what they view as the increasing public risk due to oil trains. Thanks to the booming oil production in North Dakota’s Bakken shale, and the ramp-up of ethanol production throughout the...

Posted January 21, 2014    

Natural Gas Reality Check: US Methane Emissions May Exceed Estimates By 50 Percent

A new study challenges our understanding of natural gas as a clean fuel, and raises new questions about the U.S. energy boom.Sure, natural gas (or methane, its main component) burns with less pollution than coal, but release it directly to the...

Posted November 29, 2013    

The Changing Carbon Map: How We Revised Our Interactive Look at Global Footprints

Click the image above to see the interactive map: Four Ways to Look at Carbon FootprintsAt climate change talks in Warsaw this week, just as in the previous 18 annual rounds of negotiations, delegates never were able to overcome the divide between...

Posted November 26, 2013    

US Proposes First Reduction in Ethanol Mandate

For the first time in the history of its program to promote biofuel as a replacement for petroleum-based fuels, the U.S. government proposed Friday to reduce the amount of ethanol that is required to be added to the nation’s gasoline supply.The move...

Posted November 19, 2013    

US Energy-Related Carbon Emissions Fall to 18-Year Low

The last effort in the U.S. Congress to tackle climate change head-on died in 2010, amid ferocious lobbying by interests who argued it would wreck the economy. That bill would have cut carbon dioxide emissions 3 percent below their 2005 level by...

Posted October 23, 2013    

US Edges Saudi Arabia, Russia in Oil and Gas

Oil derricks like this one in Williston etch a now-familiar silhouette against the North Dakota sun. Thanks to fracking, the U.S. is on track to be the world’s No. 1 oil and natural gas producer this year. Photo by Lindsey Gira/Flickr Creative...

Posted October 8, 2013    

New US Limits on Power Plant Carbon Emissions: Five Points

The Obama administration on Friday unveiled the first-ever national limits for carbon emissions from new power plants in the United States–a step that seeks to reshape the debate on climate change in the inevitable political and legal battles that...

Posted September 23, 2013