Topic
- Negotiation 8
- Refugees 8
- Yarmuk River 8
- Tiberias (Israel) 7
- Aquifers 6
- Dead Sea (Israel and Jordan) 6
- International law 6
- Pipelines 6
- Climate 5
- Demography 5
- Mediterranean Sea 5
- Water consumption 5
- Water--Storage 5
- Watersheds 5
- Emigration and immigration 4
- Industries 4
- Potash 4
- Precipitation (Meteorology) 4
- Sewage 4
- Strikes and lockouts 4