Zimbabwean farmer Willard Chirara sprays a maize field with chemicals to try to get rid of the armyworm caterpillars that are ravaging his crops. "There are more armyworms now than before," he says. In recent years, Zimbabwe has experienced a rise in armyworm attacks, severely impacting the country's agricultural sector. To fight this, the Zimbabwean government is testing several treatment techniques. According to research officer Simbarashe Nyamasoka, "climate change plays a very, very important role," in the increase in outbreaks. IMAGES AND SOUNDBITES