3.1.3

Effects of Climate Change on People

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Effects of Climate Change on People

Current policies are expected to lead to 2.8-3.2°C of warming by 2100.

More deaths due to heat

More deaths due to heat

  • More people are likely to die from heat exhaustion (but some people could be saved from freezing too).
Problems with water availability

Problems with water availability

  • Between 2018 and 2019, Cape Town suffered from a drought.
  • Hotter temperatures may mean droughts are more common and also happen in new areas. Changing precipitation patterns may lead to more droughts.
  • There could be wars between countries trying to secure access to water sources and fertile farmland.
Lower crop yields

Lower crop yields

  • Climate change may increase temperatures making it harder to grow crops in many countries. Producing less crops per square metre would be the 'crop yield' decreasing.
  • People may die of starvation or malnutrition because of this.
More extreme weather events

More extreme weather events

  • More extreme weather events not only directly threaten human lives, but also has financial consequences. Hurricane Katrina cost the USA roughly $125bn.
  • Cyclones or tropical storms would become more serious and would be more common.
  • The cost of predicting extreme weather events and preventing them from doing damage will likely be large.
Loss of coastal areas

Loss of coastal areas

  • Rising sea levels could lead to low-lying coastal areas becoming uninhabitable.
  • In a world with temperatures 4 °C higher, London, New York, Rio de Janeiro, and Shanghai would be underwater.
  • This will force migration, overcrowded living conditions, poverty and potentially, wars.
Jump to other topics
1

Physical Geography

1.1

River Environments

1.1.1Weathering1.1.2Mass Movement1.1.3Erosion1.1.4Transportation1.1.5Deposition1.1.6River Landforms: Waterfalls & Gorges1.1.7River Landforms: Interlocking Spurs1.1.8River Landforms: Flood Plains1.1.9River Landforms: Point Bars1.1.10River Landforms: Levees1.1.11River Landforms: Meanders1.1.12River Landforms: Oxbow Lakes1.1.13River Landscape Changes: Long Profile1.1.14River Landscape Changes: Cross Profile1.1.15Vertical & Lateral Erosion1.1.16Flood Risk Factors1.1.17Human Activities on Rivers1.1.18River Management: Hard Engineering1.1.19River Management: Soft Engineering1.1.20Case Study: The River Eden - Landforms1.1.21Case Study: The River Eden - Climate1.1.22Case Study: The River Eden - Geology1.1.23Case Study: The River Eden - Management1.1.24Case Study: The River Eden - Human Activity1.1.25End of Topic Test - River Environments
1.2

Coastal Environments

1.2.1Weathering1.2.2Mass Movement1.2.3Erosion1.2.4Deposition1.2.5Longshore Drift1.2.6Sediment Transportation1.2.7Wave Action on Coasts1.2.8Other Factors Influencing Coasts1.2.9Coastal Landforms: Wave-cut Platforms & Cliffs1.2.10Coastal Landforms: Headlands & Bays1.2.11Coastal Landforms: Caves, Arches & Stacks1.2.12Coastal Deposition1.2.13Spits, Bars & Sand Dunes1.2.14Human Activity on Coasts1.2.15Coastal Defences: Hard Engineering1.2.16Coastal Defences: Soft Engineering1.2.17Coastal Defences: Managed Retreat1.2.18Case Study: Holderness Coast Overview1.2.19Case Study: Holderness Coast Management1.2.20Case Study: Holderness Coast Defences1.2.21End of Topic Test - Coastal Environments
1.3

Hazardous Environments - Tropical Cyclones

1.3.1Characteristics of a Tropical Cyclone1.3.2Structure of a Tropical Cyclone1.3.3Physical Hazards of Tropical Cyclones1.3.4The Impacts of Tropical Cyclones1.3.5Responses to Tropical Cyclones1.3.6Vulnerability to Tropical Cyclones1.3.7Preparing for Tropical Cyclones1.3.8Case Study: Katrina1.3.9Case Study: Nargis
1.4

Hazardous Environments - Earthquakes & Volcanoes

1.4.1Earthquakes1.4.2Features of an Earthquake1.4.3Types of Earthquake1.4.4Case Study: L'Aquila1.4.5Case Study: Chile1.4.6Case Study: Japan & Pakistan - Planning1.4.7Volcanoes1.4.8Types of Volcanoes1.4.9Volcanic Eruptions
2

Human Geography

2.1

Economic Activity & Energy

2.1.1Increasing Energy Consumption2.1.2Non-Renewable Energy - Nuclear2.1.3Non-Renewable Energy - Fossil Fuels2.1.4Renewable Energy - Solar2.1.5Renewable Energy - Water & Bio2.1.6Renewable Energy - Hydro2.1.7Energy - Statistical Skills
2.2

Rural Environments

2.2.1Rainforests2.2.2Temperate Forests2.2.3Characteristics of a Temperate Forest2.2.4Goods & Services in Temperate Forests2.2.5Deserts2.2.6Tundra
2.3

Urban Environments

2.3.1Urbanisation in Different Countries2.3.2Causes of Urbanisation2.3.3Consequences of Urbanisation2.3.4Sustainable Urbanisation2.3.5Case Study: Rapid Urbanisation in Mexico City2.3.6End of Topic Test - Urbanisation
3

Global Issues

3.1

Fragile Environments & Climate Change

3.1.1Natural Causes of Climate Change3.1.2Effects of Climate Change on the Environment3.1.3Effects of Climate Change on People3.1.4Impacts of Deforestation3.1.5End of Topic Test - Climate Change3.1.6Increasing Water Supply3.1.7Sustainable Rainforest Management
3.2

Globalisation & Migration

3.2.1Globalisation - Transport3.2.2Globalisation - Communication Networks & Banking3.2.3Push & Pull Factors3.2.4TNCs & Globalisation3.2.5Tourism Landscapes3.2.6The Growth of Tourism3.2.7The Economic Benefits of Tourism3.2.8The Social & Cultural Benefits of Tourism3.2.9The Economic Costs of Tourism3.2.10The Social & Cultural Costs of Tourism3.2.11Managing Tourism - Sustainability3.2.12Managing Tourism - Quotas & Tourism Hubs
3.3

Development & Human Welfare

3.3.1Ways of Defining Development3.3.2Different Ways of Measuring Development3.3.3Environmental Factors Causing Uneven Development3.3.4Historical Factors Causing Uneven Development3.3.5Economic Factors Causing Uneven Development3.3.6Patterns of Development3.3.7How Can we Reduce the Global Development Gap?3.3.8Top-Down & Bottom-Up Development

Practice questions on Effects of Climate Change on People

Can you answer these? Test yourself with free interactive practice on Seneca — used by over 10 million students.

  1. 1
    Under current policies, how much are temperatures expected to rise by 2100?Multiple choice
  2. 2
    What are the potential effects of climate change on people?True / false
  3. 3
    As an environmental scientist, you are assessing factors contributing to increased levels of carbon dioxide. Which human activity primarily contributes to this increase by releasing carbon dioxide when fossil fuels are burned?Multiple choice
  4. 4
    During a class discussion on industrial impacts, your teacher mentions cement production. How does cement production contribute to the increased atmospheric concentration of carbon dioxide?Multiple choice
  5. 5
    Analysing methods to reduce greenhouse gases in agriculture, you focus on methane emissions. Which agricultural practice is a significant source of methane, contributing to climate change?Multiple choice
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Effects of Climate Change on the Environment

Impacts of Deforestation