Intensive farming, US-style, is not sustainable worldwide.
Reay
David S
DS
D000383:Agriculture / Q000191:economics / Q000379:methods*; D017752:Greenhouse Effect; D008697:Methane / Q000378:metabolism*; D009609:Nitrous Oxide / Q000378:metabolism*; D012987:Soil / Q000032:analysis; D014481:United States
D012987:Soil; D009609:Nitrous Oxide; D008697:Methane