references Flashcards
average ecological footprint of a human in high income countries is 5-10ha but there are only 1.9ha of productive land per person in the world
Rees 2003
more than 70% of available freshwater is used in agriculture
UNESCO 2001
97% of available freshwater passes through the soil into groundwater
Pimental and Pimental 2006
nearly 33% of the worlds arable topsoil lost to erosion or pollution (with salt) in the last 40 years
Yang et al 2003
estimated 200-400 million people are more at risk of hunger due to climate change by 2080
Battish and naylor 2009
global food production and agriculture release more than 25% of all greenhouse gas emissions
tillman and clark 2014
1 in 7 do not have sufficient protein in their diets and even more suffer from malnourishment
FAO 2009
humans are at risk of hunger, extreme poverty and avoidable diseases if sustainable changes to agriculture are not made
Millenium ecosystem assessment 2011
about 1/3rd of global cereal production is fed to animals
FAO 2006
1ha of corn requires 5 million litres of water
Pimental et al 2004
intercropping leads to a 33% increase in income
marc oliver 2018
nothing less is required than a redesign of the whole food system to bring sustainability to the fore
foresight 2011
adoption of no tillage in canada has helped reduce soil erosion
Baumhardt 2015
peatlands <3% of the earths land surface but contain > than one third of global soil C and N
Pastor et al 2002
in the next 50 years we will need to produce as much food as has been consumed over our entire human history
megan clarke 2009
