$3.66DESIGNATEDAREASHIGHER©2023WSTlatimes.comSUNDAY,JULY2,2023HighabovetheLasVegasStrip,solarpanelsblanketedtheroofofMandalayBayConventionCenter—26,000ofthem,rip-plingacrossanarealargerthan20footballfields.Fromthisvantagepoint,thesun-dappledMan-dalayBayandDelanohotelsdominatedthehorizon,emerginglikecomicallylargegoldensceptersfromtheglitteringblackpanels.Snow-tippedmountainsrosetothewest.ItwasacoldwintermorningintheMojaveDesert.Buttherewasplentyofsunlighttosupplythesolararray.“Thisisreallyanideallocation,”saidMichaelGulich,vicepresidentofsustainabilityatMGMRe-sortsInternational.ThesamegoesfortherestofLasVegasanditssprawlingsuburbs.SinCityalreadyhasmor...