Question

Odd man out. IPCC,UNEP,IUCN,BNHS

Answer 1

I think IPPC

HOPE IT HELPA

Answer 2

The full form UNEP is United Nations Environment Programme

That of IUCN is International Union for Conservation of Nature

That of BNHS is Bombay National History Society

So all the above-mentioned names are related to nature and environment.

Only IPCC stands for Integrated Professional Competency Course which is completelty a different topic so IPCC is the odd one out.