Bloomberg: Africa’s failure to embrace modern farming methods is a greater impediment to food production than global warming, according to the International Crops Research Institute for the Semi-Arid Tropics. Adopting this approach would help the continent offset possible temperature increases of as much as 3 degrees Celsius (37 degrees Fahrenheit), it said, citing conclusions made by computer modeling. Africa emits less greenhouse gas than any other continent, though it will likely be …