This special edition of Innovation, Science, Environment includes reflections from a number of Canada's leading sustainable development thinkers, two decades after the 1987 publication of the seminal United Nations report Our Common Future. Published by the World Commission on Environment and Development - and often referred to as the Brundtland Commission Report after its Chair Gro Harlem Brundtland former Prime Minister of Norway - the report popularized the concept of sustainable development which continues to influence economic, environmental, and social policy decisions and structures in individual countries and international organizations.