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Understanding Earth's Evolution: Natural and Human-Induced Perils

This unit explores the intricate balance of Earth's ecosystems, highlighting how both natural phenomena and human activities threaten this equilibrium. We delve into natural events like tornadoes, earthquakes, and hurricanes, alongside human-caused hazards such as global warming, ozone depletion, and pollution. By examining these perilous processes, we aim to raise awareness of our impact on the biosphere and emphasize the importance of fostering a more harmonious relationship with our planet. Understanding these risks is vital for promoting sustainability and ecological balance.

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Understanding Earth's Evolution: Natural and Human-Induced Perils

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  1. Unit 2 Planet Earth

  2. Unit 2 • Big Idea- To show that process and peril are a part of the Earth’s evolution-both natural and human processes can seriously disturb the delicate balance of the planet; perilous human processes are a measure of our failure to organize for a more harmonizing human presence in the biosphere.

  3. What are these perilous processes? • Natural • Atmospheric-tornadoes, blizzards, flooding, drought, tropical cyclones, hurricanes • Geologic- earthquake, volcanoes, slides and avalanches, tsunamis, • Biologic- infectious and parasitic diseases and insect hazards

  4. Human caused Hazards • Global warming • Ozone Depletion • Loss of Biodiversity (New Species Introduction, Destruction of Ecosystems) • Pollutionand Waste Disposal • Acid Rain • Space Junk • Genetic Erosion • Disease??

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