In 1960s the Cogswell “slum clearances” demolished 3,000 buildings with affordable housing, small scale businesses and diversity. Building & construction is responsible for 39% of greenhouse gas emissions. photo-Stephen Archibald-Brunswick Street, Halifax 1965/66

Listen to CBC’s Bob Murphy and guests Tom Urbaniak, professor at Cape Breton University and Tom Morrison, engineer at Heritage Standing Inc. discuss the multiple advantages of keeping old buildings-economic, social, cultural and very important – environment and climate change.