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1
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ice ages
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Educated societies
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Ice ages are studied and taught as significant geological and climatological phenomena in educated societies.
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2
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2
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ice ages
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Northern Hemisphere
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Ice ages in the Northern Hemisphere are associated with the growth of large ice sheets and glaciers.
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2
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3
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ice ages
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Environmentalists
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Environmentalists point to ice ages as evidence of natural climate change and the impact of human activities on the current climate.
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1
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4
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ice ages
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Isolated tribal communities
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Isolated tribal communities may not be aware or concerned about ice ages because they are focused on day-to-day survival.
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1
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5
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ice ages
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earth science
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Ice ages are periods of long-term reduction in the Earth's temperature, resulting in the expansion of ice sheets.
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1
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6
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ice ages
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prehistoric cultures
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Ice ages were experienced by prehistoric cultures as harsh and unforgiving winter periods, often characterized in myths and legends.
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1
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7
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ice ages
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scientific community
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The scientific community believes that ice ages are caused by changes in Earth's orbit and tilt, as well as volcanic activity and greenhouse gas levels.
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1
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