The cause of the occurrence of drought?
1. by nature.
1.1 the world temperature changes.
1.2 climate change.
1.3 changes of sea level.
1.4 watphai natural disasters such as earthquakes.
2. by the actions of human beings.
2.1 destruction of the ozone layer
2.2 impact of greenhouse deflation.
2.3 the development industry.
2.4 deforestation
For the drought in the country, Thailand Mainly caused by drought and the drought, which is a late rain less hypoglycaemia or normal seasonal rain falls.