Contents

OCTOBER 2014 VOLUME 86 | NO 10

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F E A T U R E S

20 Photostory: Tribal living The Hamers are one of Ethiopia’s larger tribes. Mitchell Kanashkevich explores their daily lives

28Dossier: Growing pains Mark Rowe looks at the challenges the world’s rapidly growing megacities pose

36 Charting the century In these extracts from their new book, Tim Bryars and Tom Harper show how the golden age of cartography has re lected 100 years of change

42Aheated debate Daniel Allen discovers how recent developments in Iceland’s geothermal power industry have generated a new mid-Atlantic rift

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48Explore 2014 Each November, the RGS IBG brings together a mix of researchers and explorers at its annual expedition and ieldwork planning seminar. Here’s why it’s an event not to be missed

52 Sabah’s lost world There’s hardly an inch of the planet that can’t be visited, but Nick Garbutt inds that Borneo’s Maliau Basin can still conjure mystery, intrigue and even foreboding

65Essential gear: Following Iran’s longest river Despite planning for every possibility, during his six-week expedition along Iran’s Karun River, Tom Allen discovered the most valuable piece of equipment was his ability to communicate

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D E P A R T M E N T S

News 10 Worldwatch 12 Climatewatch 74 In Society

Regulars 8 Geographical archive 14 Hotspot: The Korean Peninsula 16 Discovering Britain: Nottingham 61 Reviews 70 Geophoto: New England 78 Letters and crossword 82 I’m a geographer:

Greg Lindsay

Competition 6 Where in the world? 73 Young Geographer of the Year

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