Carbon dioxide is one of the most widespread greenhouse gases produced by humans. Trees can absorb it, but release it when they die. Scientists are looking to build artificial trees to do the job permanently.
Aug 5, 2010 National Geographic
Stockholm's congestion charge is not only reducing traffic and greenhouse gas emissions, it's also increasing sales of alternative fuel vehicles.
Sep 30, 2009 The New York Times
Different cities have different levels of greenhouse gas emissions. A new study looks at how they are different and why.
Sep 30, 2009 The Economist
Peak oil will happen at least 10 years earlier than most governments are expecting, and an oil crunch will occur in the next 5 years, says Dr Fatih Birol, chief economist at the International Energy Agency.
Aug 4, 2009 The Independent (UK)
California's SB 375 attempts to require cities to develop in a way that reduces greenhouse gas emissions. But some cities say the new law is misguided, and the state should focus on zero-emission vehicles instead.
May 29, 2009 California Planning & Development Report
Let me start with a disclaimer: I am not a transportation planner. At the points where transportation planning shares borders with engineering, I tend to zone out and start doodling in the margins. I do, however, have a lifelong interest in transportation, which is why I share the excitement of some of my more transportation-focused colleagues about potential changes in how California measures transportation impacts of projects.
Mar 28, 2009 By
This piece from the New York Times looks at a program in Italy the encourages children to walk to school.
Mar 27, 2009 The New York Times
While the California Air Resources Board is proceeding with implementation of laws to reduce greenhouse gas emissions, highway planners are considering projects to accommodate more cars. Bill Fulton comments.
Nov 20, 2008 California Planning & Development Report
Recently approved legislation tying land use planning to greenhouse gas emissions is being sold as critically important by both detractors and supporters. But Bill Fulton argues that SB 375 provides only one step in an ongoing evolution.
Oct 30, 2008 California Planning & Development Report
A new study finds that 65% of greenhouse gas emissions in the U.S. are under the direct or indirect control of individuals. However, many of those habits are difficult to change given land uses.
Oct 6, 2008 The Wall St. Journal