1. Tectonics: South America ; 2. Volcanic eruption: Eyjafjallajokull, Iceland 2010 ; 3. Supervolcano: Yellowstone, USA ; 4. Earthquake: Haiti 2010 ; 5. Tsunami: Onagawa, Japan 2011 ; 6. Landslide: Morro do Bumba, Brazil 2010 ; 7. Flooding: Cockermouth, Cumbria 2009 ; 8. Flooding: River Indus, Pakistan 2010 ; 9. River landforms: Meanders on the River Severn, Welshpool ; 10. Waterfall: Kaieteur Falls, Guyana ; 11. Coastal erosion: Old Man of Hoy, Orkney Islands ; 12. Coastal deposition: Hurst Castle spit, Hampshire ; 13. Coastal management: Walton-on-the-Naze, Essex ; 14. Coastal zone flood management: Alkborough Flats Tidal Defence Scheme, Humber Estuary ; 15. UK weather: Winter weather, December 2010 ; 16. Hurricane: Hurricane Sandy, 2012 ; 17. Global warming: Shrinking sea ice in the Arctic ; 18. Limestone: White Scar, Ingleton, North Yorkshire ; 19. Chalk and clay landscapes: Kensworth Quarry, Chilterns ; 20. Glaciation: Athabasca Glacier, Canada ; 21. Coral reef: Buccoo Reef, Tobago ; 22. Settlement: Queen Elizabeth Olympic Park, London ; 23. Settlement: Dharavi, Mumbai ; 24. Globalisation: Global fast food; Starbucks and McDonald's ; 25. Rural settlement regeneration: Blaenau Ffestiniog, Gwynedd ; 26. Population: Transmigration; Kalimantan, Indonesia ; 27. Development: Millennium Village; Gumulira, Malawi ; 28. Energy resources: Oil Sands, Alberta, Canada ; 29. Tourism: Tourism in the Lake District; Ambleside ; 30. Ecotourism: Cotton Tree Lodge, Belize