<P> World Environment Day ( WED ) is celebrated on the 5th of June every year , and is the United Nation 's principal vehicle for encouraging awareness and action for the protection of our environment . First held in 1974 , it has been a flagship campaign for raising awareness on emerging environmental issues from marine pollution , human overpopulation , and global warming , to sustainable consumption and wildlife crime . WED has grown to become a global platform for public outreach , with participation from over 143 countries annually . Each year , WED has a new theme that major corporations , NGOs , communities , governments and celebrities worldwide adopt to advocate environmental causes . </P>
<P> World Environment Day ( WED ) is celebrated on the 5th of June every year , and is the United Nation 's principal vehicle for encouraging awareness and action for the protection of our environment . First held in 1974 , it has been a flagship campaign for raising awareness on emerging environmental issues from marine pollution , human overpopulation , and global warming , to sustainable consumption and wildlife crime . WED has grown to become a global platform for public outreach , with participation from over 143 countries annually . Each year , WED has a new theme that major corporations , NGOs , communities , governments and celebrities worldwide adopt to advocate environmental causes . </P>
in which year was the first world environmental day celebrated
in which year was the first world environmental day celebrated
1974
1974