As nations look to the crucial Climate Summit to be hosted by U.N. Secretary General Antonio Guterres in September, leaders need to know that buildings and construction contribute close to 40 percent of global emissions while exacerbating the air pollution that causes some seven million deaths annually.Today the way our homes and offices are built and operated is one of -- if not the -- biggest sources of climate-wrecking emissions: a fact we overlook at our peril.[Supplied photo]Progress is happening. Super-efficient lighting, such as LEDs, is becoming cheaper and more commonplace and the …READ FULL ARTICLE