1    A changing environment for human security

Karen O’Brien, Linda Sygna and Johanna Wolf

Introduction

Whether in relation to climate, food, water, health, energy, or livelihoods, dramatic changes are underway in the world today, with significant implications for human security. There are very few places that are untouched by a convergence of global crises, many of which are directly or indirectly associated with environmental change. While climate change receives much of the attention these days, biodiversity loss, air and water pollution, ocean acidification, degradation and salinization of soils, deforestation, and threats to ecosystem services together create one systemic problem that is often referred to as ‘global environmental change’. ...

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