World Environment Day is celebrated on the 5^th of June every year and is the United Nation's principal vehicle for encouraging awareness and action for the protection of our environment where we live in. It has been a flagship campaign for raising awareness on the emerging environmental issues from marine pollution, human overpopulation, and global warming, to sustainable consumption and wildlife crime. This is considered to be the most important day for encouraging worldwide awareness and action for the protection of our environment. Since it began in 1974, it has grown to become a global platform for public outreach that is widely celebrated in over 100 countries. On this day, communities and individuals around the world work to increase awareness of the importance of conserving the environment, by engaging in activities that serve to educate and improve their environment locally. COHEART organized an Environmental Health Educational week in association with Student’s council, CVAS, Pookode.  The event comprised of weeklong programme on Environmental Health Education under the theme “Thaleer- Go Green and Clean”.  The programme consists of planting more than 100 tree saplings on various locations of the college campus with aim of “One tree per student”, who will be committed to take care of the tree.  The Dean, Prof. (Dr.) K. Vijayakumar launched the One Health student initiative venture in this occasion.  The programme marked the beginning of symbol of gesture to conserve the eco-environment of Pookode. The week long programme comprises of  series of awareness classes on environment, short films on Global climate change and One health, essay and quiz competitions, clean campus drive, dry day for vector control  etc.  Febin Stephan and Waseem M, of 2013 BVSc batch stood as the winners for Quiz competition.