Farmers in the Kavango Region of Namibia report losses of up to 50% of their harvests due to unseasonably cold weather and first time ever biting frost that has destroyed tons of crops such as potatoes, watermelons, butternut squash, sweet potatoes, corn and others.

http://www.namibian.com.na/news/full-story/archive/2011/july/article/frost-bites-into-green-schemes-profits/
http://allafrica.com/stories/201107151025.html

In a report released July 14, 2011, US climatologists state that the most severe category of drought is worsening across the US plains, now covering over 70% of Texas, 40% of Oklahoma, and parts of the state of Kansas.

http://www.trust.org/alertnet/news/dire-drought-worsens-in-us-plains-creeps-into-kansas/
http://www.drought.unl.edu/dm/monitor.html

Egyptian researchers report that continued urbanization combined with desertification and rising sea levels are shrinking the country’s agricultural land, with increasing threats to food production.

http://www.greenprophet.com/2011/07/desertification-egypt-food/
http://www.trust.org/alertnet/news/egypt-desertification-threat-to-local-food-production/