By Catherine Parchment Smith, Claire Ritchie Chalmers
By J Jobbins
By Rajesh Daniel
By Kalbande
By United Nations Environment Programme
By Organization for Economic Co-operation and Development
By Food and Agriculture Organization of the United Nations
By World Health Organization(WHO)
By R. Cavallo
By J Wedley
By Samuel Hahnemann
By G. K. Pal, P. Pal
By Bagaria
By gestalten, Martin Raymond, Chris Sanderson, Future Laboratory
By H. Walter Lack
By James Wines
By Bert Bielefeld
By Hens, Thorsten, Rieger, Marc Oliver
By Paramita Kar Choudhury
By Thomas Fuchs-Buder
By Jürgen Kiefer
By Simon Blake, Stella Muttock
By Aaron Trinidade, Manoj Ramachandran
By E. Owen, A. Kitalyi, N. Jayasuirya, T. Smith