udupi collecting stamps once a hobby has now become a passion for ammunje nagendra nayak a 40yearold engineer from udyavara in udupi taluk he has been collecting stamps about global warming more than 50 countries have issued stamps based on this theme and nayak has collected many which are rare and in the rarest of rare category he has stamps from various countries like the maldives greenland switzerland england bangladesh pakistan malaysia vietnam canada sri lanka japan usa uae and indonesia he has also received silver and bronze awards in stamp exhibition and competitions held in mumbai and brazil the collection which started putting together during his childhood led to him becoming a professional philatelist nayak told toi that through stamps on global warming he wanted to convey a message about the consequences of this phenomenon and how we should adopt ecofriendly measures like using solar power instead of other nonrenewable energy sources avoid using plastic and so on nayak has written brief descriptions below every stamp to tell those interested about the salient aspects about global warming he was selected for braziliana2013 the international stamp exhibition competition by getting the necessary points at intex the national competition at mumbai in february 2013 nayak has been collecting stamps on this theme since 2006 after he became aware about its importance he started exchanging stamps through friends on the internet and now speaks to youngsters about the menace of global warming nayak also says theres a need for more awareness in india about this issue nayak did his be electronics and communications from manipal institute of technology manipal and ms in engineering management from the us he also manages his family business in udyavara