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Royal Geographical Society (with IBG): the heart of geography
Malaria, mosquitos and maps: Simon Hay
A Fact-Based World View: Dr Hans Rosling
Why are the worlds big rivers so different: Professor Phil Ashworth
Flooding, climate change and the resilience of cities: Alex Nickson
Future oceans: Professor Callum Roberts
Junkyard planet: Adam Minter
London versus the rest: Evan Davis
Mayhem on the Mekong: Professor Steve Darby
Saving the last cheetahs of Iran: Dr Luke Hunter
Siberia - its history and its people: Professor Janet Hartley
Somalia - The World’s Most Failed State?: James Fergusson
The Landgrabbers: Fred Pearce
What’s going on in Greenland?: Professor Alun Hubbard
Will the shale gail prevail?: Michael Bradshaw

Mayhem on the Mekong: Professor Steve Darby

March 2015

The Mekong River is a biodiversity hotspot of global significance, threatened by rapid hydro-power development. Steve explains why preserving the Mekong's annual flooding is integral to the future of the river and its delta.

Mayhem on the Mekong


0 minutes – Introduction

2:20 minutes – Lecture begins. An introduction to the Mekong River

5:40 minutes – The global value of the Mekong’s ecosystem services

9:50 minutes – Why is the Mekong so biodiverse?

13:10 minutes – The Mekong sediment system

37:00 minutes – The threats and their significance for the Mekong

50:40 minutes – What can we do?

View this lecture (February 2014)


AQA A Level
Unit 1: Rivers, floods and management (core)

Edexcel A Level
Unit 3: Water conflicts (optional)

OCR A Level
Unit 1: River environments (core)

WJEC A Level 
Unit 1: Investigating tectonic and hydrological change (core)
Unit 4: Rivers (optional)

Unit 1: Water on the land (core)

Unit 1: River processes and pressures (optional)

Cambridge iGCSE
Unit 1: The natural environment (core)

Edexcel A GCSE
Unit 2: River landscapes (core)

Edexcel B GCSE
Unit 1: Water world (core)
Unit 1: River processes and pressures (optional)

Edexcel iGCSE
Unit 1: River environments (optional)

Unit 3: Rivers and coasts (core)

Unit 1: River processes and landforms (core)
Unit 1: Managing rivers (core)

Unit 2: River processes and landforms (core)

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