O Zemi

Atmospheric Science - Wallace, John M. (University of Washington, Seattle, U.S.A.) a Hobbs, Peter V. (University of Washington, Seattle, U.S.A.)

Experiments in Ecology - Underwood, A. J. (University of Sydney)

Heavy Metals in Soils

Wild Weather - Oxlade, Chris

Abyss of Time - Lyle, Paul

Water - Finney, John (Emeritus Professor of Physics, University College London)

Ancient Woodland - Rotherham, Ian

Oxygen - Lane, Nick (Reader in Evolutionary Biochemistry, Research Department of Genetics, Evolution and Environment, University College of London)

Map Addict - Parker, Mike