Methane

President Barack Obama hopes to add to his "climate legacy" by having the EPA adopt the nation's first regulations to reduce methane emissions, the second most prevalent greenhouse gas emission after carbon dioxide, but far more powerful.
Jan 15, 2015   Los Angeles Times
Landfills produce a lot of methane gas, one of the main greenhouse gases contributing to global warming. In an effort to both reduce that impact and responsibly reuse the gas, some municipalities are converting it into energy.
Sep 13, 2009   Governing
<p>We shouldn't be blaming biofuel production for rising food prices and environmental degradation while ignoring the immense harm of industrial meat production, writes Frances Cerra Whittelsey.</p>
Aug 6, 2008   AlterNet
<p>In an incredible recycling operation that reduces global warming, a waste hauler is building a facility to produce Liquefied Natural Gas from methane emitted from its California landfill to fuel its garbage trucks.</p>
May 7, 2008   The Sacramento Bee