By John Kelly, Steven Male
By Stephen Jay Gould, Paul McGarr, Steven Rose
By Michael Bradshaw, Ruth Weaver
By Ray Nayler
By Godfrey Boyle (Professor of Renewable Energy, The Open University)
By Hugh Montefiore
By Richard Karban, Pamela Mikaela Huntzinger
By RICHARD B. PRIMACK
By Begon
By Cynthia J. Moss
By Frans Lanting, Christine Eckstrom
By A.J. Christopher
By Dale Jamieson (New York University)
By Elizabeth Kolbert
By Harman, Graham
By Jonathan Power
By Mason, Paul, Gordon, Mike
By Penney Poyzer
By Ben Goldfarb
By Kendra Coulter
By Jeremy Paxman
By Howard Cunnell
By Arthur J. Whiteman
By Millie Kerr
By Adam Welz
By Kate Clark
By Jonathan E. Robins
By Mike Hulme (University of East Anglia)
By Mark Hyman
By Martin W. Lewis