Topic
- Sewage 6
- Arid regions 5
- Building 5
- International regimes 5
- Political parties 5
- Rain and rainfall 5
- Aquifers 4
- Economic development 4
- Electricity 4
- Hydrology 4
- Population 4
- Tiberias (Israel) 4
- Water transfer 4
- Yarmuk River 4
- Commerce 3
- Dead Sea (Israel and Jordan) 3
- Investments, Foreign 3
- Palestinian Arabs 3
- Rain-making 3
- Resource allocation 3