Check out these food tv images:
Joseph Gallo Farms
Image by kqedquest
QUEST Producer Amy Miller talks with Joseph Gallo, whose diary farm has installed a methane digester. The digester captures the waste from their dairy cows and turns it into biogas, creating electricity for his farm.
View the companion KQED TV piece on the QUEST website and discuss it in the QUEST Science Blog.
A Greener Cow
Image by kqedquest
When it comes to global warming, methane gas that cows produce is 21
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