Botswana has a dry, semi-arid climate. Rainfall is erratic and sporadic, with a mean annual rainfall of 250 mm in the south-west to over 650 mm in the north-east of the country. The main rainy season occurs in the summer months between November and April, with significant variations from year to year and periods of severe drought. As a rule, annual rainfall is exceeded by loss of moisture through evaporation and transpiration by plants. It is crucial that the known water resources are protected from pollution, and that water demand management and conservation measures are introduced if we are to continue meeting the present and future demands.

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See ‘Why is water important in the Food Industry?’ under SCHOOLS