Trees, Effect of air pollution on, Plants, Wounds and injuries, Effect of acid precipitation on, Forest ecology
International cooperation, Freshwater ecology, Water-supply, Water in agriculture, Water resources development, Water conservation
Climatic changes, Environmental aspects, Environment, SCIENCE, Global Warming \& Climate Change, Ecology \& Evolutionary Biology, Forecasting, Hydrology, West (U.S.)
Land use, Ecology, Global temperature changes, Ecosystems, Environment, Management, Climate change, Environmental monitoring, Environmental protection, Aquatic resources, Rivers, Universities and colleges, Green technology, Water, Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution, Droughts, Floods, Atmospheric Protection...