In July this year, farmers in the US Midwest and plains regions watched crops wilt and die after a stretch of unusually low precipitation and high temperatures.
Sleeping sickness could threaten tens of millions more people as the tsetse fly which transmits the disease spreads to southern Africa as a result of global warming, a study published on Wednesday says.
Day in Pics: 4th May
Showbiz World - May 4, 2015
62nd National Film Awards