Why Our Food is So Dependent on Oil | EnergyBulletin.net | Peak Oil News Clearinghouse
Food systems
David Adam on food miles | Climate change | Guardian Unlimited Environment
DEFRA Economics & Statistics - Agricultural Economic Report
The Validity of Food Miles as an Indicator of Sustainable Development.
Cow 'emissions' more damaging to planet than CO2 from cars - Independent Online Edition Environment
Livestock's Long Shadow
World will not meet 2C warming target, climate change experts agree | Environment | The Guardian
Water shortages go global | Sin aqua non | The Economist
BBC NEWS | Science & Environment | Snorkel rice could feed millions