War and Social Unrest

Water Pollution

Water Status of Soil
   Field Studies
   Growth Chamber Studies
   Modeling Studies

Water Stress x CO2 Effects on Plants
   Agricultural Species
   Grassland Species
   Woody Species

Water Use Efficiency
   Agricultural Species
   Desert Species
   General
   Grassland Species
   Trees

Weather Extremes
   Drought
      Africa
      Asia
      Central America
      Europe
      General
      North America
         Canada
         Mexico
         United States
            Central
            Eastern
            Entire
            Western
      Solar-Induced
   El Niño
      Model Inadequacies
      Relationship to Extreme Weather
      Relationship to Global Warming
      Relationship to Precipitation
   Floods
      Asia
      Europe
      General
      North America
   General
   Hail
   Hurricanes
      Atlantic Ocean
         El Niño Effect
         Global Warming Effects
         Miscellaneous
      Global
      Indian Ocean
      Pacific Ocean
   La Niña
      Model Inadequacies
      Relationship to Extreme Weather
      Relationship to Global Warming
      Relationship to Precipitation

Weather Extremes cont.
   Precipitation
      Formation
      Model Inadequacies
      Solar Influence
      Trends
         Global
         Regional
            Africa
            Arctic
            Asia
            Australia/New Zealand
            Europe
               Central
               Mediterranean
               Northern
            North America
               United States
               Canada and Mexico
            Oceans
            Tropics
      Variability
         Africa
         Asia
         North America
         Other
   Storms
      Asia
      Australia/New Zealand
      Dust Storms
      Europe
      Global
      North America
      Northern Hemisphere
      Southern Hemisphere
   Temperature

Weathering of Soil

Weeds
   Non-Parasitic: Competitiveness
   Non-Parasitic: Biodiversity Impacts
   Non-Parasitic: Miscellaneous
   Parasitic

West Antarctic Ice Sheet
   Collapse & Disintegration
   Dynamics
   Mass Balance
   Miscellaneous
   Sea Level

Wetlands

Wind

Wood Density

Worms