Rainfall Formation Model Inadequacies Trends Global Regional Africa Arctic Asia Australia/New Zealand Europe Central Mediterranean Northern North America United States Canada and Mexico Oceans Tropics Solar Influence (see Letter "S") Variability Africa Asia North America Other
Range Expansion Animals Birds Butterflies Other Herbaceous Plants Woody Plants Arctic Europe Miscellaneous North America USA Pacific Northwest USA Scattered USA South-Central USA Southwest
Rapid Climate Change Biological Systems History Temperature Effects Thermohaline Circulation
Reconstructions of Climate
Reactive Oxygen Species
Reefs Bleaching Causes Disease General Salinity Sediment Solar Radiation Temperature Turbidity Detection Responses Bacterial Shuffling General Solar Radiation Symbiont Shuffling Temperature Calcification Corals Other Marine Organisms General Great Barrier Reef History Caribbean Sea General South Pacific Ocean
Regime Shifts
Religion
Reptiles
Respiration General Herbaceous Plants Crops Other Human Oceans Response to Temperature Soils Woody Plants Coniferous Trees Deciduous Trees Multiple Tree Studies
Rivers
Roman Warm Period Asia Europe Central Mediterranean Northern Other Miscellaneous North America South America
Roots Crops Grasses Miscellaneous Shrubs Trees Conifers Deciduous
Rubisco Agricultural Species General Grassland Species Tree Species
Runoff