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Climate Change

Climate Change Changes to climate have occurred throughout Earth’s history can be both long term and short term There are two types of climate change 1. Natural climate change 2. Unnatural climate change. Natural Climate Change There are four major types of natural climate change

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Climate Change

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  1. Climate Change • Changes to climate have occurred throughout Earth’s history can be both long term and short term • There are two types of climate change 1. Natural climate change 2. Unnatural climate change

  2. Natural Climate Change • There are four major types of natural climate change 1. Volcanic Eruptions • Mount Pinatubo → Reduced solar radiation by 10% • Krakatau →Temperature fell 1.2 °C (2.2 °F) and took ~5 years to go back to normal 2. Ocean Circulation • El Nino → Unusually warm temperatures in the Pacific • Wetter conditions for the southeast • La Nina → Unusually cold temperatures in the Pacific • Dryer conditions for the southeast

  3. 3. Solar Activity • Changes in the sun’s output (sun spots) → Maunder’s Minimum and the Little Ice Age 4. Earth’s Motions • Plate tectonics → The Permian Mass Extinction- climate change due to the creation of Pangaea • Milankovitchcyles→ changes in the climate due to variations in Earth’s orbit, nutation, and precession

  4. Unnatural climate change • The burning of fossil fuels has caused an increase in carbon, which is changing global climate • Scientist predict temperature will increase by 1.4° C– 5.8° C • The changes will impact the world; however, third world countries will be the most impacted • These changes have caused differences in weather patterns which include increases in temperature and storms as well as changes in precipitation rates

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