#air-safetyUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesNewcomers' CommunitySteemitCryptoAcademySteemit Feedbackআমার বাংলা ব্লগKorea • 한국 • KR • KOSteem AllianceSTEEM CN/中文Steem POD TeamBeauty of CreativityWORLD OF XPILARTron Fan ClubComunidad Latina#air-safetyTrendingHotNewPayoutsMutednjaari189 (25)in #air-safety • 8 years agoSave The World Air (OTCBB:ZERO)Yet the true performance of many developments is overstated - and actual Net Zero Energy buildings are still rare.…