Climate Change: Rising Temperatures and Consequences
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Questions and Answers

What is the projected increase in average global temperature by 2100 if greenhouse gas emissions continue to rise?

  • 5-7°C
  • 2-5°C (correct)
  • 1-2°C
  • 0.5-1°C

    • What is the average annual rate of sea level rise?

  • 3.2 mm (correct)
  • 4.5 mm
  • 1.2 mm
  • 2.5 mm

    • Which of the following is NOT a consequence of rising global temperatures?

  • Decreased risk of droughts (correct)
  • Increased risk of wildfires
  • Increased frequency and severity of heatwaves
  • Changes in species populations and distributions

    • What is the primary cause of ocean acidification?

    <p>Increase in CO2 absorption by oceans</p> Signup and view all the answers

    What is a consequence of changes in water cycles and precipitation patterns?

    <p>Increased risk of water scarcity</p> Signup and view all the answers

    What is a threat to human health due to climate change?

    <p>Contamination of water sources</p> Signup and view all the answers

    What is a consequence of rising global temperatures on ecosystems and biodiversity?

    <p>Disruption of food chains</p> Signup and view all the answers

    What is the current trend in global temperatures?

    <p>20 of the last 22 years have been the warmest on record</p> Signup and view all the answers

    Study Notes

    Environmental Impact of Climate Change

    Rising Global Temperatures

    • Average global temperature has risen by about 1°C since the late 1800s
    • 20 of the last 22 years have been the warmest on record
    • Projected to increase by another 2-5°C by 2100 if greenhouse gas emissions continue to rise

    Consequences of Rising Temperatures

    • Melting of Polar Ice Caps: Sea levels rising by about 3.2 mm per year
    • Extreme Weather Events: Increased frequency and severity of heatwaves, droughts, and heavy rainfall
    • Changes in Precipitation Patterns: Altered patterns of rainfall and snowfall, leading to more frequent floods and droughts

    Impact on Ecosystems and Biodiversity

    • Loss of Biodiversity: Rising temperatures altering habitats, leading to extinction of many plant and animal species
    • Disruption of Food Chains: Changes in species populations and distributions affecting ecosystems
    • Increased Risk of Wildfires: Droughts and heatwaves creating conditions for devastating wildfires

    Effects on Water Resources

    • Changes in Water Cycle: Altered patterns of evaporation, condensation, and precipitation
    • Increased Risk of Water Scarcity: Changes in precipitation patterns and rising temperatures affecting water availability
    • Threats to Human Health: Contamination of water sources and increased risk of water-borne diseases

    Ocean Acidification

    • Increase in CO2 Absorption: Oceans absorbing more CO2, leading to acidification
    • Impact on Marine Life: Acidification affecting marine ecosystems, especially coral reefs and shellfish
    • Consequences for Global Food Security: Impacts on fisheries and marine food chains

    Environmental Impact of Climate Change

    Rising Global Temperatures

    • The average global temperature has risen by about 1°C since the late 1800s
    • The last 22 years have seen a record-breaking temperature trend, with 20 of them being the warmest on record
    • If greenhouse gas emissions continue to rise, the global temperature is projected to increase by another 2-5°C by 2100

    Consequences of Rising Temperatures

    • The melting of polar ice caps is causing sea levels to rise by about 3.2 mm per year
    • The frequency and severity of heatwaves, droughts, and heavy rainfall are increasing
    • Changes in precipitation patterns are leading to more frequent floods and droughts

    Impact on Ecosystems and Biodiversity

    • Rising temperatures are altering habitats, leading to the extinction of many plant and animal species
    • Changes in species populations and distributions are disrupting food chains
    • The increased risk of wildfires is a result of droughts and heatwaves

    Effects on Water Resources

    • The water cycle is being altered, with changes in evaporation, condensation, and precipitation
    • The increased risk of water scarcity is a result of changes in precipitation patterns and rising temperatures
    • The contamination of water sources and increased risk of water-borne diseases are threatening human health

    Ocean Acidification

    • The oceans are absorbing more CO2, leading to acidification
    • Ocean acidification is affecting marine ecosystems, especially coral reefs and shellfish
    • The consequences of ocean acidification are impacting global food security, affecting fisheries and marine food chains

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    Description

    This quiz covers the environmental impact of climate change, including rising global temperatures, melting of polar ice caps, and extreme weather events.

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