The climatology provides, for a given location or region, the time series of drought strength, the number, the mean duration, and the maximum duration of droughts of a given intensity, and the trend in drought incidence. The drought climatology is based on monthly standardized precipitation indices (SPIs) calculated on a 0.5° grid over the European region 35–70 °N and 35 °E–10 °W at time scales of 3, 6, 9, 12, 18, and 24 months for the period 1901–99.
The production of butter, cheese and other dairy products with high fat content accounts for high greenhouse gas emissions as well as for eutrophication of groundwater, rivers and seas. Remember: Globally, around 70 % of all agricultural land is used for livestock production.
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