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It
is seldom mentioned in the media, but it's a scientific fact: today's
massive herds of cattle and pigs are
the fourth largest emitters of greenhouse gases
in the atmosphere. The numbers of these animals on the land (and in factory
farms) have grown enormously over the past half century to a point where
they are now a major contributor to toxic water
pollution as well as global warming from release of methane gas.
This gas is produced when cattle and pigs belch and flatulate, referred
to as animal 'tailpipe pipe exhaust'. (more)
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