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Ecology is the study of organisms and their interactions with the environment, exploring biodiversity, ecosystems, and human impacts. For a detailed description, click on the article title.
Extensive land uses, like hunting and herding, span 60M sq km, supporting 500M with low-input, vast-area livelihoods. For a detailed description, click on the article title.
External costs, unpriced effects of goods, burden Earth’s 510M sq km with $10T in ecological and social tolls yearly. For a detailed description, click on the article title.
The Fall Line, a 1,400-km U.S. zone, shifts rivers from Piedmont to Coastal Plain, shaping falls, cities, and ecology. For a detailed description, click on the article title.
First Nations, Canada’s 1M Indigenous peoples, span 9.98M sq km with a 15,000-year legacy of culture and struggle. For a detailed description, click on the article title.
Fjords, glacial inlets like Norway’s 205-km Sognefjord, span 300,000-km coasts, blending sea and steep valleys. For a detailed description, click on the article title.
The Ganges River, a 2,525-km South Asian lifeline, flows from Himalayan glaciers to the Bay of Bengal, sustaining 400M across 1.08M sq km. For a detailed description, click on the article title.
Horizontal migration involves movement within similar ecological or socioeconomic zones, maintaining continuity in living conditions or habitat. For a detailed description, click on the article title.