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Ice ages, 104, 112 17, 119, 136, 193, 341, 344 Ice sheets, 80,104,109,113, 115, 118, 132,137, 138, 329, 330, 333, 338, 353, 360, 391 9 Increasing human utilisation of coastal zone, 413 14

Industrial Revolution, 6, 12, 13 14, 201

Infra red radiation, 4, 5, 9

Inner radiation belt, 55 8

Insect pests, 225 6, 310, 432

115 17, 118, 119, 136, 139, 316, 353 Intergovernmental Panel on Climate Change (IPCC), 153, 162, 270 1, 299 300, 325, 340, 393

International comprehensive ocean atmosphere data set (ICOADS), 339 40 Interplanetary dust sources, 67 8 Intertidal biota, 284 8 Intertidal taxa, 284 6 Inter tropical convergence zone (ITCZ),

147 9, 162, 177 Invasive species, 224, 245 6 Ion generation, 54, 55

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