bioethanol

Sweet sorghum ripening in Rwanda. Ari Beser/Getty Images       By Hamond Motsi, Stellenbosch University     The southern African region is battling with drought at present. This is the result of El Niño, a natural climate cycle characterised by changes in Pacific Ocean temperatures. It has effects on global weather patterns, particularly rainfall and temperature. The drought has hit the region’s agricultural productivity hard. Malawi, Zambia and Zimbabwe have […]