Our sources

The Royal Society (2010), Energy and the Food System
Pimentel (2004), from The Organic Centre (2006), Impacts of Organic Farming on the Efficiency of Energy Use in Agriculture
FAO (2006), Livestock's Long Shadow
Nature (2011), Climate Change Curbs Crops
CBD (2007), Biodiversity and Climate Change
European Commission (2011), Roadmap for Moving to a Low-Carbon Economy in 2050
FAO (2013), Tackling Climate Change Through Livestock
UNEP (2002), Climate Change Information Sheet
Defra (2011), Ecosystems Services
Nature (1997), The Value of the World's Ecosystem Services and Natural Capital
IUCN (2008), Wildlife in a Changing World, An analysis of the 2008 IUCN Red List of Threatened Species™
PNAS (2010), Tropical Forests Were the Primary Sources of New Agricultural Land in the 1980s and 1990s
Birdlife International (2011), Agriculture in Biodiversity in the EU
WRI (2008), Eutrophication and Hypoxia in Coastal Areas: A Global Assessment of the State of Knowledge
Nature (2006), Modelling Conservation in the Amazon Basin
CDC (2011), Animal Feeding Operations
Greenpeace (2017), Forests and Agriculture
Pew Commission (2008), Putting Meat on the Table
ESF (2011), European Nitrogen Assessment
USEPA (2011), What's the Problem
EIP (2011), Hazardous Pollution from Factory Farms
USEPA (2011), Human Health
NRDC (2001), Cesspools of Shame
GOA (2008), Concentrated Animal Feeding Operations
UN (2010), Rearing Cattle Produces More Greenhouse Gases than Driving Cars
Smil (2000), Feeding the World: A Challenge for the Twenty-first Century, MIT Press
AJCN (2003), Sustainability of Meat-based and Plant-based Diets and the Environment
WWF (2008), Living Planet Report 2008
Nature (2009), The Disappearing Nutrient
SEI (2004), The Precarious Geopolitics of Phosphorous
UNESCO (2010), The Green, Blue and Grey Water Footprint of Farm Animals and Animal Products
World Bank (2008), Agriculture for Development