    Sentence 2 Thus ‘recent  evidence suggests that by not including an  estimate of Ceductions in Shoft-term  mortality aue to changes in aribient ezove, kath   Base yon Alternative  PS imates lnderestimate  the ‘benefits “of inplembitation of” the Clear  ‘Skies Act.    Semtence 2: Recent findings say that Base and  Alternative estimates  may not quite see all of the benefits of the  Clear Skies. Act: