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      The future of global coasts

      Lesson details

      Learning outcome

      I can explain the risks associated with climate change for coastal communities and describe how countries are taking action to combat them.

      Key learning points

      1. Climate change is putting millions of people across the world at risk from sea level rise and flooding.
      2. Island nations and coastal cities and communities are trying to mitigate the risk with built structures.
      3. There are different actions taking place to find solutions and try to prevent further global issues.

      Keywords

      • Climate change - large-scale and long-term change in the planet’s climate, including weather patterns and average temperatures

      • Risk - the possibility that something bad or unpleasant, such as an injury, might happen

      • Global - something that affects people across the world

      Common misconception

      That rising sea levels only affect a few places like tropical islands, and that cities are not at risk of rising sea levels.

      Rising sea levels is a concern for all global coastal communities. There is nowhere with a coast that will not be affected by rising sea levels, including major global cities, although some communities are affected more than others.

      Teacher tip

      Climate change and its impacts is a hotly debated topic in society. Allow space for students to express their opinons and ideas, to share their concerns and give them opportunity to debunk myths about climate change they may have picked up from social media.

      Licence

      This content is © Oak National Academy Limited (2026), licensed on Open Government Licence version 3.0
      except where otherwise stated. See Oak's terms & conditions
      (Collection 2).

      Lesson video

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      Prior knowledge starter quiz

      6 Questions

      Q1.
      What is climate change?

      The changing seasons in a year
      The natural variation of the weather each day
      Correct answer: Long-term changes in temperature and weather patterns on Earth
      The increase in the number of storms in one year

      Q2.
      What is the movement of sediment along a coastline called?

      Coastal drift
      Sea breeze
      Tidal movement
      Correct answer: Longshore drift

      Q3.
      Which type of erosion occurs when rocks hit against each other and break into smaller pieces?

      Correct answer: Attrition
      Solution
      Abrasion
      Hydraulic action

      Q4.
      What is one of the main impacts of rising sea levels on coastal areas?

      More sandy beaches
      More fish in the sea
      Higher air temperatures
      Correct answer: Increased flooding and erosion

      Q5.
      What effect does climate change have on coastal ecosystems like coral reefs?

      They become stronger and healthier
      Correct answer: Coral bleaching and death due to warmer ocean temperatures
      They grow at a faster rate
      They provide more food for marine life

      Q6.
      How does rising sea level affect coastal communities?

      Correct answer: It can flood homes and displace people
      It creates more land for new settlements
      It causes lower temperatures
      It makes beaches wider and safer

      4 Questions

      Q1.
      What is coastal flooding?

      Waves hitting the beach in a predictable way
      Correct answer: When the sea level rises and floods coastal areas
      The effect of tides on the coastline
      When plants grow in the sand

      Q2.
      How does rising sea level affect coastal communities?

      It creates more land for new settlements
      Correct answer: It can flood homes and displace people
      It causes lower temperatures
      It makes beaches wider and safer

      Q3.
      Many major global cities are located on the coast. These cities have to manage the risk of __________ due to rising sea levels and extreme weather because of climate change.

      desertification
      earthquakes
      war
      Correct answer: flooding

      Q4.
      In the , the government has been building sea walls to protect the coastline from erosion and reduce the risk of flooding.

      Correct Answer: Maldives

      To help you plan your 7 geography lesson on: The future of global coasts, download all teaching resources for free and adapt to suit your pupils' needs...