<Tr> <Td> </Td> <Td> This section may require cleanup to meet Wikipedia's quality standards . No cleanup reason has been specified . Please help improve this section if you can . (August 2009) (Learn how and when to remove this template message) </Td> </Tr> <P> According to a 2006 United Nations initiative, the livestock industry sector emerges as one of the top two or three most significant contributors to the most serious environmental problems, at every scale from local to global ." As such, using plant - derived foods is typically considered better for the interests of the environment . Despite this, the raising of certain animals can be more environmentally sound than others . According to the Farralones Institute's report from 1976, raising rabbits, and chickens (on a well - considered approach) for food can still be quite sustainable . As such, the production of meat and other produce, such as eggs, may still be considered environmentally friendly (if this is done in an industrial, high - efficiency manner). In addition, raising goats (for goat milk and meat) can also be environmentally quite friendly and has been favored by certain environmental activists, such as Mohandas Gandhi . </P>

Write one plant source and one animal source of fat