Question

The name of main report of brundtland commision is

Answer 1

The name of the main report of Brundtland Commission is Our Common Future.

In 1987 the Brundtland Commission released Our Common Future which is also known as the Brundtland Report. It coined the term 'sustainable development' and defined it. In 1991 Our Common Future won the University of Louisville Grawemeyer Award. 

Answer 2

Well , the answer of your question is "our common future "
The brundtland commission released and published this report in the year 1987.
it was actually the World Commission on Environment and Development which can be written as WCED. This main report published by it was talked about sustainability  development . it was defined by the commisioned  and tells the relationship of sustainable and development with need for the present and that too without any compromise on the future .