Sen hidrocarburos só se poderán alimentar 2 mil millóns de persoas
"It has been estimated that, without hydrocarbons to provide energy, fertilisers and pesticides, agriculture could not support a population greater than 2.000.000.000." Paul Thompson
"It has been estimated that, without hydrocarbons to provide energy, fertilisers and pesticides, agriculture could not support a population greater than 2.000.000.000." Paul Thompson
"Two effects that are likely to come with the depletion of oil and gas are the collapse of the economy and a decline in food production." Paul Thompson