herd of goats grazing on a hillside in sunnyvale, south san francisco bay area; goats are being used in many western states as a

abatement america animal animals area bay california control copy countryside danger domestic eating eco ecology environment farm field francisco friendly goats grass grazing green group hazard herbicidefree herd hill land landscape livestock mammal management mitigation mowing nature outdoor pasture people prevention protection ram rural safety san sheep space states threat united usa weeds wildfire