Global Warming Cause Discovered!

This just in from Porter Stansberry of the Stansberry & Associates Investment Newsletter:

"A new United Nations report identifies cattle as the greatest threat to the world’s climate – ahead of cars. According to the 400-page “Livestock’s Long Shadow” report, the world’s 1.5 billion cattle and the methane they… uh… emit… are responsible for global warming, dead zones in the ocean, acid rain, etc. Cow flatulence generates 18% of all greenhouse gases – more than cars, planes, and all forms of transportation put together. Maybe Al Gore will make a new movie… A Very, Very Inconvenient Truth."