Scientific knowledge and cultural values in environmental policy Trudgill, S. (2001) The terrestrial biosphere: environmental change, ecosystem science, attitudes and values. Series: Understanding Global Environmental Change, Pearson Education Limited, Harlow, Essex. xx +299 pp, figs, tables, subject index, author index. Paperback: Price £16.99. ISBN 0582-30347-8 - HOLLAND, KERI (Journal of Biogeography, 2002)