Global change 239

7.1 Why study global-scale environmental chemistry? 239

7.2 The carbon cycle 240

7.2.1 The atmospheric record 240

7.2.2 Natural and anthropogenic sources and sinks 242

7.2.3 The global budget of natural and anthropogenic carbon dioxide 251

7.2.4 The effects of elevated carbon dioxide levels on global temperature and other properties 257

7.3 The sulphur cycle 262

7.3.1 The global sulphur cycle and anthropogenic effects 262

7.3.2 The sulphur cycle and atmospheric acidity 265

7.3.3 The sulphur cycle and climate 271

7.4 Persistent organic pollutants 274

7.4.1 Persistent organic pollutant mobility in the atmosphere 274

7.4.2 Global persistent organic pollutant equilibrium 278

7.5 Further reading 281

7.6 Internet search keywords 281

Index 283

Colour plates fall between pp. 138 and 139.

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