@hesgen I fairness Bryant did say it was secure, but might take longer than he hopes. However, the news that coral thinks we're past 1.5C suggests the pledge needs up be magnified not shrunk, so we can help return to <1C.
Better insulation, coupled with HR ventilation under mproved construction & inspection standards in new buildings. Plus renovations to most existing stock to similar standards, by Grants like Italy of 110% of full cost, if to correct quality.