About: http://webisa.webdatacommons.org/441123871

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	But across the globe, and especially in Africa, there are ???serious drops??? in food output because of increases in the volume and intensity of heat waves, droughts and floods, explained Tanzanian agricultural economist Ephraim Nkonya.
http://www.w3.org/ns/prov#wasQuotedFrom	voanews.com