There are a number of internet resources about creating a positive learning environment. A search will provide you with many good ideas as you set out to accomplish this in your classroom.
There are also a number of resources available from the Ministry of Education about developing character education. These are very helpful resources for establishing the supportive relationships upon which we build a positive learning environment.
Finding Common Ground - Character Development in Ontario Schools, K-12
Webcast - Finding Common Ground - Character Development in Ontario Schools, K-12
A Guide to Character Development in Ontario Schools, K-12
Character Development in Action, K-12
Successful Practices in Ontario Schools