8. Global Warming Cause: Massive crop failures
According to recent research, there is a 90% Chance that billion people worldwide will have to choose between moving their families to milder Climes and going hungry due to climate change within 100 years. One of the main causes of this will be the spread of desertification, and its accompanying effects.
"Climate change is expected to have the most severe impact on water supplies. 66 shortages in future are likely to threaten food production, reduce sanitation, and hinder economic development and damage ecosystems. It causes more violent swings between floods and droughts."" - Guardian: Global warming causes 300,000 heaths a year