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IBSE JOURNAL #Build2Perform July 2019 www.cibsejournal.com SHOOTING THE BREEZE ON NATURAL VENTILATION COST MODEL HEAD TO HEAD: HEAT PUMPS V BOILERS NASA OFFERS CLOSE-UP VIEW OF CLIMATE CHANGE UNTANGLING THE THREAD How building safety reform proposals intend to ensure a golden thread of information CIBSE July19 pp01 Cover v2.indd 1 21/06/2019 15:08