Can climate change impact return to the scale of agricultural production function and what are the effects to agriculture and farming that climate change could have?
If the temperature increases and the climate turns into a more tropical one history tells us that agricultural production will also increase and periods of "advanced culture" will be flourishing. When the climate gets colder and even turns into periglacial or glacial periods it will result in famine, pandemic diseases and mass migration of people flocking into zones of a more moderate climate where agriculture and farming is still feasible and where you can expect crops abundant enough to feed the immigrants and natives or first nations, alike . The principle outcome is that global warming is a positive aspect not a negative one in terms food production for an ever-increasing population.