by Dennis Markatos-Soriano
As world leaders gather in Copenhagen to negotiate international strategy to lower global greenhouse emissions, I’d like to share a vision for part of the solution. Greenways and other improvements in bicycling and pedestrian infrastructure can make make a huge impact lowering emissions in the coming decade. Some economists and politicians who drag their feet regarding climate action complain that lowering emissions could come with a difficult price tag. But at least half of Obama’s 2020 goal can be achieved alongside large savings if we seize the opportunity to increase our use of renewable Continue reading
The Energy Information Administration (EIA) US electric power estimates for 
I’ve got some good news to share — coal is losing its market share in the US electricity mix to less carbon-intensive sources. In the late 1990s, coal-fired power plants produced almost 53% of total US electricity. And the US EIA just released in its 
Oak Ridge National Laboratory put out 
I’ve been startled by the number of global warming naysayers in comment threads around the internet lately who have pointed to some colder weather this year to try to poke holes in established science. Yes, there was an unusual snow in Houston and New Orleans. But for global warming, we need to look at annual and decades-long data to get a comprehensive picture. And the 
