“The nation that destroys its soil, destroys itself.” —Franklin D. Roosevelt The Salt of the Earth Human activity has become a geological event. At present, some 12% of the world’s land surface is used in crop production, which is over one-third of the land estimated to be suitable for agriculture.
Around 51 percent of all greenhouse gas emissions comes from animal agriculture. 1 kg of meat uses between 5,000 and 20,000 litres of water to produce, compared to 1 kg of potatoes which takes around 290 litres. Livestock produces 37 percent of methane emissions. Animal agriculture uses up to 30