Mammoth,thelargestindustrialfacilityyetbuilttofiltercarbondioxideoutoftheair,justpoweredupinHellisheiði,Iceland.It’srunbySwissclimatetechcompanyClimeworks,whoseclientsinclude JPMorganChase,Microsoft,Stripe,andShopify,amongothers. Itwasthelatestindustrialplantbuiltwiththepurposeofsuckingcarbondioxideoutoftheair,aprocesscalleddirectaircapture(DAC)—wi...