04/06/2007 :: Norway has been selected by the United Nations to host World Environment Day. The topic this year is “ Melting ice- a hot topic?” The Ministry of Environment has picked Tromsø to be the host city for a number of profiled events during three days, from 3 June to 5 June. The purpose of the celebrations is to spread knowledge and stimulate broad interest in environmental matters. About 100 countries around the world celebrate the day each year.