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IB Diploma Geography HL · 17 mini-lessons

IB Diploma Geography HL
17 free mini-lessons, in order.

One interactive lesson for every topic in the IB HL specification, in the order it's taught. Each one opens with a question you can’t yet answer, then works through it in missions with checks along the way. About 20 minutes each. No login.

  1. 1Geographic themes — Option A: FreshwaterAt any moment, rivers hold only about 0.006% of Earth's fresh water. So how does a river keep flowing through weeks without rain?Start →
  2. 2Geographic themes — Option B: Oceans and coastal marginsThe Gulf Stream carries more water than all the world's rivers combined. Is that why north-west Europe has mild winters?Start →
  3. 3Geographic themes — Option C: Extreme environmentsAntarctica is covered in ice, yet it counts as a desert. How?Start →
  4. 4Geographic themes — Option D: Geophysical hazardsThe Atlantic is about 2.5 cm wider every year. What moves the plates?Start →
  5. 5Geographic themes — Option E: Leisure, tourism and sportUK residents made about three times as many trips abroad as Indian nationals did in 2025, yet India has about 21 times as many people. Why?Start →
  6. 6Geographic themes — Option F: Food and healthIn 2023 the world's food supply came to about 3,000 calories per person per day. So why did around 645 million people go hungry in 2025?Start →
  7. 7Geographic themes — Option G: Urban environmentsIn Denmark, 200 people can make a place urban. In Japan it takes 50,000. So how urban is the world?Start →
  8. 8Core — Unit 1: Changing populationWhy do more than 9 in 10 people in China live on one side of a single line?Start →
  9. 9Core — Unit 2: Global climate, vulnerability and resilienceIn 1991 one volcano in the Philippines cooled the whole planet. How?Start →
  10. 10Core — Unit 3: Global resource consumption and securityIn 1990, two in three people in East Asia and the Pacific lived in extreme poverty. By 2025, fewer than 1 in 50 did. So why did the number of extremely poor people in sub-Saharan Africa rise?Start →
  11. 11HL core extension — Unit 4: Power, places and networksThe Netherlands tops the KOF Globalisation Index. The USA, the world's largest economy at market exchange rates, ranks 28th. How can that be?Start →
  12. 12HL core extension — Unit 5: Human development and diversityGuyana's income per person is more than three and a half times Sri Lanka's. Why do they have exactly the same HDI?Start →
  13. 13HL core extension — Unit 6: Global risks and resilienceOn 12 May 2017, at least 81 of England's 236 NHS trusts were disrupted on the same day. Nobody broke into a single building. What happened?Start →
  14. 14Internal assessment — Fieldwork reportStart →
  15. 15Geographic Themes (Three from the SL list)Start →
  16. 16Geographic Perspectives: Global ChangeStart →
  17. 17HL Core Extension: Global Interactions (Power, Places & Networks; Human Development & Diversity; Global Risks & Resilience)Start →