Greenhouse Gases

How much methane, a powerful but short-lived greenhouse gas is released during fracking operations for natural gas? Until now, all studies, including those by the EPA, were done by estimates. This study went to over 500 well sites to measure leaks.
Sep 19, 2013   The New York Times - U.S.
A new report by state scientists identifies three dozen environmental indicators that confirm the effects of climate change on California are ‘significant and growing.’
Aug 14, 2013   Los Angeles Times
Despite record levels of greenhouse gas emissions, global surface temperatures have risen at a much slower rate over the past 15 years than the 20 years prior. Scientists are struggling to explain a warming plateau.
Jun 17, 2013   The New York Times
Courtney Humphries takes a look at recent federal investment in research on the complex interrelationship between human settlements and the natural environment.
Nov 26, 2012   Nature
Paul Stenquist analyzes the surprising influence that geography has on the carbon footprint of electric vehicles.
Apr 18, 2012   The New York Times
In the fight against climate change, it is still unclear how, according to SustainableCitiesCollective, "the world’s nations will reduce greenhouse gas emissions and achieve limited temperature rise." A recent ECF study sheds light on the topic.
Dec 14, 2011   Sustainable Cities Collective
Controlling carbon emissions hinges on encouraging cities that have small carbon footprints, writes Matthew E. Kahn.
Dec 17, 2010   World Policy Blog
A new report suggests that making policies in Canada to avoid urban sprawl development will reduce pollution and boost the economy.
Oct 6, 2010   The Vancouver Sun
Is New York City's green transportation revolution overhyped? It turns out that emissions from private cars actually increased between 2007 and 2009, and that almost none of the city's greenhouse gas reductions came from the transportation sector.
Oct 5, 2010   Streetsblog
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