For natural and built systems alike, conditions of stability and determinants of rates of change or evolution of a system are critical elements of study.
Stability and change
Penguinscience - Understanding penguin response to climate and ecosystem change
Oceans 101
Climate 101: Deforestation
Curriculum Collections: Plate Tectonics Puzzle
Air Pollution 101
Coral Reefs 101
Climate 101: Glaciers
Coal Mining's Environmental Impact: From the Ashes
Groundwater and Earthquake Faults Demonstration
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