Grower. He who instinctively knows how much land as a minimum is needed to feed a man for a year- by 2030 50% more food will be needed worldwide.
UV-B radiation, tropospheric ozone, increased radiation via sun spot activity all reduce yields, whilst 70% of a farms carbon footprint is fertilizer useage. A square metre of land may produce one kilo of wheat, or 2 kilos of veg but a glass house can produce 30kgs of food a sq metre.
There are bigger problems about to arrive as hungry stomachs have no ears
UV-B radiation, tropospheric ozone, increased radiation via sun spot activity all reduce yields, whilst 70% of a farms carbon footprint is fertilizer useage. A square metre of land may produce one kilo of wheat, or 2 kilos of veg but a glass house can produce 30kgs of food a sq metre.
There are bigger problems about to arrive as hungry stomachs have no ears