,,ii  #aaf? ,,congress  #a/ ,session    
,s4 #agde  ,,9 ,,! ,,s5ate ,,( ,,!      
,,unit$ ,,/ates  ,june #e1 #bjai,mr4    
,b5net 7= himself1 ,mr4 ,:iteh\se1 ,mr4 
,van ,holl51 ,ms4 ,h>ris1 ,mr4 ,c>d91   
,mrs4 ,fe9/e91 ,mr4 ,m]kley1 ,mr4 ,wyd51
 ,ms4 ,smi?1 ,mr4 ,c>p]1 ,mrs4          
,gillibr&1 ,ms4 ,hirono1 ,ms4 ,klobu*>1 
,mr4 ,s*atz1 ,mr4 ,m>key1 ,mr4 ,he9ri*1 
& ,ms4 ,cortez ,ma/o7 introduc$ ! foll[+
 bill2 :i* 0 read twice & ref]r$ to !   
,committee on ,environm5t & ,public     
,works  ,a ,,bill  ,to e/abli% a co/ (  
gre5h\se gases = c>bon dioxide1 me?ane1 
& nitr\s oxide to be us$ by ,f$]al      
ag5cies1 & = o!r purposes4  #a4 ,%ort   
title ,?is ,act may be cit$ z ! ,c>bon  
,pollution ,transp>5cy ,act4  #b4 ,f9d+s
 ,congress f9ds t--  7#a7 s\nd economic 
& policy analyses require t ! economic  
b5efits ( r$uc+ climate *ange be        
consid]$ toge!r ) ! co/s ( policies &   
measures to r$uce gre5h\se gas          
emissions2  7#b7 climate *ange1 if n    
address$1 is project$ to inflict        

sub/antial damage on ! economy & p ( !  
,unit$ ,/ates2  7#c7 accord+ to !       
,congressional ,budget ,(fice1 !        
,gov]nm5t ,acc\ntability ,(fice1 & !    
,(fice ( ,managem5t & ,budget1 ! impacts
 ( climate *ange are--  7,a7 co/+ ,unit$
 ,/ates taxpay]s billions ( doll>s      
annually2 &  7,b7 putt+ pressure on !   
,f$]al budget2  7#d7 ! exp5ditures by ! 
,f$]al ,gov]nm5t result+ f ! effects (  
climate *ange are project$ to increase1 
& r$uc+ gre5h\se gas emissions pres5ts  
an opportunity to m9imize ^?            
exp5ditures2  7#e7 betwe5 cal5d> ye>s   
#bjjh & #bjae1 ! ,unit$ ,/ates r$uc$    
c>bon pollution f ! en]gy sector by     
ne>ly #aj p]c5t1 :ile ! economy grew m  
?an #aj p]c5t2  7#f7 m ?an #a1bjj       
companies are tak+ ! co/ ( climate *ange
 into consid]ation 9 bus9ess decisions2 
7#g7 e/imates ( ! co/s ( gre5h\se gases 
provide a me?od & measure1 gr\nd$ 9     
sci5tific & economic rese>*1 =          
monetiz+--  7,a7 ! co/s ( gre5h\se gas  
emissions2 &  7,b7 ! b5efits ( r$uc+    

gre5h\se gas emissions2  7#h7 !         
,national ,academies ( ,sci5ces1        
,eng9e]+1 & ,m$ic9e has provid$ detail$ 
recomm5dations = improv+ ! e/imate ( !  
co/s ( gre5h\se gases = ! purpose (     
regulatory analysis2  7#i7 ! r$uction ( 
gre5h\se gas emissions by o!r c\ntries  
b5efits ! ,unit$ ,/ates by r$uc+ climate
 risks to ! ,unit$ ,/ates1 & ! r$uction 
( gre5h\se gas emissions by ! ,unit$    
,/ates b5efits o!r c\ntries2  7#aj7 9   
light ( ! global nature ( ! problem (   
gre5h\se gas emissions1 ! int]e/s ( !   
,unit$ ,/ates w\ld be maximiz$ if !     
,unit$ ,/ates 7 to use a calculation    
me?od ( ! co/ ( climate pollution t     
reflects global damages2  7#aa7 due to !
 nature ( climate *ange risks1 ! returns
 on mitigation may pay (f 9 p]iods t    
w\ld o!rwise involve sub/antial losses2 
7#ab7 economic !ory & evid5ce sugge/s t1
 = actions ) int]g5]ational consequ5ces 
su* z ! consequ5ces ( climate *ange1 a  
disc\nt rate approximately equal to or  
less ?an ! long-t]m yield on ! debt ( ! 

,treasury ( ! ,unit$ ,/ates may be      
appropriate2 &  7#ac7 x is imp]ative t !
 academic community cont9ue rese>* on ! 
co/ ( gre5h\se gases4  #c4 ,def9itions  
,9 ?is ,act3 7#a7 ,calculation me?od ,! 
t]m calculation me?od means ! me?od by  
:i* ! co/s ( gre5h\se gases are         
calculat$ 9 accordance ) subsections    
7a71 7b71 & 7c7 ( section #d1           
respectively4  7#b7 ,committee ,! t]m   
,committee means ! ,co/s ( ,gre5h\se    
,gases ,sci5tific ,review ,committee    
e/abli%$ "u section #g7;a74  7#c7 ,co/s 
( gre5h\se gases  7,a7 ,9 g5]al ,! t]m  
co/s ( gre5h\se gases means ! monetiz$  
pres5t disc\nt$ values1 9 doll>s1 ( !   
curr5t & future net co/s to society t   
result f--  7i7 #a ton ( emissions ( a  
specific gre5h\se gas 9 a specific ye>1 
includ+1 b n limit$ to1 damage relat+   
to--  7,i7 a *ange 9 net agricultural   
productivity2  7,,ii7 en]gy use2        
7,,iii7 human heal?2  7,,iv7 prop]ty    
damage f increas$ flood risk & sea level
 rise2 &  7,v7 to ! maximum ext5t       

practicable1 ! value ( ! effect on      
ecosy/em s]vices due to climate *ange2 &
  7ii7 ! monetiz$ pres5t disc\nt$ values
 ( ! curr5t & future net b5efits to     
society f a #a-ton r$uction ( emissions 
( a specific gre5h\se gas 9 a specific  
ye>1 includ+ a r$uction 9 any damage    
describ$ 9 clause 7i74  7,b7 ,inclusions
 ,! t]m co/s ( gre5h\se gases includes--
 7i7 ! co/ ( c>bon dioxide2  7ii7 ! co/ 
( me?ane2  7iii7 ! co/ ( nitr\s oxide2 &
  7iv7 ! co/ ( any o!r gre5h\se gas     
e/imat$ by ! ,work+ ,gr\p4  7#d7 ,work+ 
,gr\p ,! t]m ,work+ ,gr\p means !       
,int]ag5cy ,work+ ,gr\p on ! ,co/s (    
,gre5h\se ,gases e/abli%$ "u section    
#e7;a74  #d4 ,co/ ( c>bon dioxide1 co/ (
 me?ane1 & co/ ( nitr\s oxide  7a7 ,co/ 
( c>bon dioxide ,9 develop+ any rulemak+
 t requires a regulatory impact         
analysis1 mak+ any sub/antial procurem5t
 decision = :i* ! co/ ( c>bon dioxide is
 n appli$ be=e ! date on :i* a revis$   
v]sion ( ! co/s ( gre5h\se gases is     
f9aliz$1 ! head ( any ,f$]al ag5cy %all 

consid] & docum5t ! co/ ( c>bon dioxide 
9 accordance ) ! am\nts specifi$ 9 !    
foll[+ table3 ,co/ ( ,c>bon ,dioxide1   
#bjaj ,?r\gh #bjej 79 #bjjg ,doll>s p]  
,metric ,ton ( ,c>bon ,dioxide71        
,disc\nt ,rate & ,statistic,year#e      
,p]c5t ,av]age#c ,p]c5t ,av]age#b4e     
,p]c5t ,average,high ,impact 7#ie?      
,p]c5tile at #c ,p]c5t ,disc\nt ,rate7  
#bjajajcaejhfbjaaaacbeaijbjabaaccecicbja
caacdedigbjadaaceeeajabjaeaacfefajebjafa
achegajhbjagaacieiaabbjahabdjfjaafbjaiab
dafaabjbjbjabdbfbabcbjbaabdbfcabfbjbbacd
cfdabibjbcacddfeacbbjbdacdeffacebjbeaddf
fhachbjbfaddgfiadabjbgaedhgjadcbjbhaedig
aadfbjbiaedigbadibjcjafejgcaebbjcaafeagd
aeebjcbagebgeaehbjccagecgfafabjcdahedgga
fdbjceaheeghafhbjcfaiefgiagabjcgaieghaag
dbjchbjehhbaggbjcibjeihcahjbjdjbafjhdahc
bjdabafaheahfbjdbbbfahfahibjdcbbfbhgaibb
jddbcfchhaidbjdebcfdhiaigbjdfbdfeijbjjbj
dgbdffibbjcbjdhbefgicbjfbjdibefhidbjibje
jbffiiebab  7b7 ,co/ ( me?ane ,9        
develop+ any rulemak+ t requires a      
regulatory impact analysis1 mak+ any    

sub/antial procurem5t decision = :i* !  
co/ ( me?ane is n appli$ be=e ! date on 
:i* a revis$ v]sion ( ! co/s ( gre5h\se 
gases is f9aliz$1 ! head ( any ,f$]al   
ag5cy %all consid] & docum5t ! co/ (    
me?ane 9 accordance ) ! am\nts specifi$ 
9 ! foll[+ table3 ,co/ ( ,me?ane1 #bjaj 
,?r\gh #bjej 79 #bjjg ,doll>s p] ,metric
 ,ton ( ,me?ane71 ,disc\nt ,rate &      
,statistic,year#e ,p]c5t ,av]age#c      
,p]c5t ,av]age#b4e ,p]c5t ,average,high 
,impact 7#ie? ,p]c5tile at #c ,p]c5t    
,disc\nt                                
,rate7#bjajcgjhgja1bjjb1djjbjaachjiaja1b
jjb1ejjbjabdjjidja1cjjb1fjjbjacdbjigja1c
jjb1gjjbjadddja1jjja1cjjb1gjjbjaedeja1jj
ja1djjb1hjjbjafdgja1ajja1djjb1ijjbjagdij
a1ajja1ejjc1jjjbjaheaja1ajja1ejjc1jjjbja
iebja1bjja1ejjc1ajjbjbjedja1bjja1fjjc1bj
jbjbaefja1bjja1fjjc1cjjbjbbeija1cjja1gjj
c1djjbjbcfaja1cjja1gjjc1ejjbjbdfcja1djja
1hjjc1fjjbjbefeja1djja1hjjc1gjjbjbffgja1
djja1ijjc1hjjbjbggjja1ejja1ijjc1ijjbjbhg
bja1ejjb1jjjd1jjjbjbigdja1fjjb1jjjd1ajjb
jcjgfja1fjjb1jjjd1bjjbjcagija1fjjb1ajjd1

cjjbjcbhbja1gjjb1ajjd1ejjbjccheja1gjjb1b
jjd1fjjbjcdhhja1hjjb1bjjd1gjjbjceijja1hj
jb1cjjd1ijjbjcficja1ijjb1djje1jjjbjcgifj
a1ijjb1djje1ajjbjchiijb1jjjb1ejje1bjjbjc
ia1jjjb1jjjb1ejje1djjbjdja1jjjb1jjjb1fjj
e1ejjbjdaa1ajjb1ajjb1fjje1fjjbjdba1ajjb1
ajjb1gjje1gjjbjdca1ajjb1bjjb1gjje1hjjbjd
da1bjjb1bjjb1hjje1ijjbjdea1bjjb1cjjb1hjj
f1ajjbjdfa1bjjb1cjjb1ijjf1bjjbjdga1cjjb1
djjb1ijjf1cjjbjdha1cjjb1djjc1jjjf1djjbjd
ia1cjjb1ejjc1jjjf1ejjbjeja1cjjb1ejjc1ajj
f1gjj  7c7 ,co/ ( nitr\s oxide ,9       
develop+ any rulemak+ t requires a      
regulatory impact analysis1 mak+ any    
sub/antial procurem5t decision = :i* !  
co/ ( nitr\s oxide is n appli$ be=e !   
date on :i* a revis$ v]sion ( ! co/s (  
gre5h\se gases is f9aliz$1 ! head ( any 
,f$]al ag5cy %all consid] & docum5t !   
co/ ( nitr\s oxide 9 accordance ) !     
am\nts specifi$ 9 ! foll[+ table3 ,co/ (
 ,nitr\s ,oxide1 #bjaj ,?r\gh #bjej 79  
#bjjg ,doll>s p] ,metric ,ton ( ,nitr\s 
,oxide71 ,disc\nt ,rate &               
,statistic,year#e ,p]c5t ,av]age#c      

,p]c5t ,av]age#b4e ,p]c5t ,average,high 
,impact 7#ie? ,p]c5tile at #c ,p]c5t    
,disc\nt                                
,rate7#bjajc1djjab1jjjah1jjjca1jjjbjaac1
ejjab1jjjah1jjjcb1jjjbjabc1gjjab1jjjai1j
jjcc1jjjbjacc1hjjac1jjjai1jjjcd1jjjbjadc
1ijjac1jjjbj1jjjcd1jjjbjaed1jjjac1jjjbj1
jjjce1jjjbjafd1bjjad1jjjbj1jjjcf1jjjbjag
d1cjjad1jjjba1jjjcg1jjjbjahd1djjad1jjjba
1jjjch1jjjbjaid1fjjae1jjjbb1jjjch1jjjbjb
jd1gjjae1jjjbb1jjjci1jjjbjbad1ijjae1jjjb
c1jjjdj1jjjbjbbe1jjjaf1jjjbc1jjjda1jjjbj
bce1bjjaf1jjjbc1jjjdb1jjjbjbde1djjaf1jjj
bd1jjjdc1jjjbjbee1ejjag1jjjbd1jjjdd1jjjb
jbfe1gjjag1jjjbe1jjjde1jjjbjbge1ijjag1jj
jbe1jjjdf1jjjbjbhf1jjjah1jjjbf1jjjdg1jjj
bjbif1bjjah1jjjbf1jjjdh1jjjbjcjf1cjjai1j
jjbg1jjjdi1jjjbjcaf1ejjai1jjjbg1jjjej1jj
jbjcbf1hjjai1jjjbh1jjjea1jjjbjccg1jjjbj1
jjjbh1jjjeb1jjjbjcdg1bjjbj1jjjbi1jjjed1j
jjbjceg1djjba1jjjbi1jjjee1jjjbjcfg1fjjba
1jjjcj1jjjef1jjjbjcgg1hjjba1jjjcj1jjjeg1
jjjbjchh1jjjbb1jjjca1jjjeh1jjjbjcih1bjjb
b1jjjca1jjjei1jjjbjdjh1djjbc1jjjcb1jjjfj
1jjjbjdah1fjjbc1jjjcb1jjjfa1jjjbjdbh1hjj

bc1jjjcc1jjjfb1jjjbjdci1ajjbd1jjjcc1jjjf
d1jjjbjddi1cjjbd1jjjcd1jjjfe1jjjbjdei1ej
jbe1jjjcd1jjjff1jjjbjdfi1hjjbe1jjjce1jjj
fg1jjjbjdgaj1jjjbf1jjjce1jjjfh1jjjbjdhaj
1jjjbf1jjjcf1jjjfi1jjjbjdiaj1jjjbf1jjjcf
1jjjga1jjjbjejaa1jjjbg1jjjcg1jjjgb1jjj  
7d7 ,adju/m5t = inflation ,! head ( a   
,f$]al ag5cy may adju/ ! co/s describ$ 9
 ! tables conta9$ 9 subsections 7a7     
?r\gh 7c7 = inflation4  #e4 ,int]ag5cy  
,work+ ,gr\p on ! ,co/s ( ,gre5h\se     
,gases  7a7 ,e/abli%m5t ,! ,director ( !
 ,(fice ( ,managem5t & ,budget1 !       
,director ( ! ,(fice ( ,sci5ce &        
,te*nology ,policy1 & ! ,*air ( !       
,c\ncil ( ,economic ,advis]s %all       
e/abli% an int]ag5cy work+ gr\p1 to be  
kn[n z ! ,int]ag5cy ,work+ ,gr\p on !   
,co/s ( ,gre5h\se ,gases to c>ry out !  
calculation me?od revision evaluation   
describ$ 9 section #f4  7b7 ,memb]%ip ,!
 ,work+ ,gr\p %all consi/ ( memb]s f--  
7#a7 ! ,c\ncil ( ,economic ,advis]s2    
7#b7 ! ,(fice ( ,sci5ce & ,te*nology    
,policy2  7#c7 ! ,national ,security    

,c\ncil2  7#d7 ! ,national ,economic    
,c\ncil2  7#e7 ! ,c\ncil on             
,environm5tal ,quality2  7#f7 !         
,dep>tm5t ( ,agriculture2  7#g7 !       
,dep>tm5t ( ,comm]ce2  7#h7 ! ,dep>tm5t 
( ,en]gy2  7#i7 ! ,dep>tm5t ( !         
,int]ior2  7#aj7 ! ,dep>tm5t (          
,transportation2  7#aa7 ! ,dep>tm5t ( ! 
,treasury2  7#ab7 ! ,dep>tm5t ( ,heal? &
 ,human ,s]vices2  7#ac7 ! ,environm5tal
 ,protection ,ag5cy2  7#ad7 ! ,national 
,oceanic & ,atmosph]ic ,adm9i/ration2   
7#ae7 ! ,f$]al ,en]gy ,regulatory       
,commission2  7#af7 ! ,unit$ ,/ates     
,global ,*ange ,rese>* ,program2 &      
7#ag7 ! ,corps ( ,eng9e]s4  #f4         
,calculation me?od revision  7a7        
,revision evaluation  7#a7 ,9 g5]al ,n  
lat] ?an #e ye>s aft] ! date ( enactm5t 
( ?is ,act1 & n less frequ5tly ?an once 
e #e ye>s !reaft]1 ! ,work+ ,gr\p %all  
c>ry out a revision evaluation = ! co/ (
 c>bon dioxide1 co/ ( me?ane1 & co/ (   
nitr\s oxide to det]m9e :e!r a revision 
( ! calculation me?od ( ! co/ ( c>bon   

dioxide1 co/ ( me?ane1 or co/ ( nitr\s  
oxide is necess>y4  7#b7 ,consid]ations 
,9 c>ry+ out a revision evaluation "u   
p>agraph 7#a7 or a revision "u          
subsection 7b71 ! ,work+ ,gr\p %all--   
7,a7 consid]-- 7i7 ! f9d+s ( ! ,national
 ,academies ( ,sci5ces1 ,eng9e]+1 &     
,m$ic9e relat+ to approa*es to e/imat+ !
 co/s ( gre5h\se gases2  7ii7 ! f9d+s ( 
! ,committee "u section #g7;a77#c72     
7iii7 advancem5ts 9 sci5tific & economic
 rese>* relat+ to ! impacts ( climate   
*ange & ! e/imation ( ! co/s ( gre5h\se 
gases2  7iv7 new dome/ic & int]national 
f9d+s2  7v7 ! qualitative co/s to       
society z a result ( ! categories (     
damage describ$ 9 section #c7c77;,a7 t  
_c be monetiz$ & ! impact on            
environm5tal ju/ice communities2 &  7vi7
 all h>m caus$ by gre5h\se gas          
emissions2  7,b7 assess any propos$     
revision ( ! calculation me?od ) respect
 to--  7i7 consi/5cy ) ! /ate (         
sci5tific k1 z reflect$ by curr5t1      
pe]-review$ lit]ature2 &  7ii7 !        

adequacy ) :i* ! propos$ calculation    
me?od id5tifies & repres5ts key         
unc]ta9ties & s5sitivities2  7,c7       
evaluate ! h>m caus$ by gre5h\se gas    
emissions = ! p]iod beg9n+ on ! date on 
:i* ! applicable revision evaluation    
comm5ces & end+ on a date 9 ! future t  
w\ld all[ e/imation ( ! va/ majority (  
disc\nt$ climate damages2  7,d7 apply #a
 or m disc\nt rates1 :i* %all-- 7i7     
acc\nt = ! int]g5]ational nature ( ! h>m
 caus$ by climate *ange2 &  7ii7 be     
consi/5t ) ! int]e/ rate ( consumption  
us$ by ,f$]al ag5cies to reflect climate
 risk2  7,e7 include values t acc\nt =  
global damages f gre5h\se gas emissions2
  7,f7 docum5t ! calculation me?od &    
pres5t results 9 a mann] adequate = !   
sci5tific community to und]/& & assess !
 calculation me?od2 &  7,g7 make        
available to rese>*]s ! model code =    
review1 use1 & modification4  7b7       
,revision  7#a7 ,calculation me?od ,if !
 ,work+ ,gr\p makes a det]m9ation "u    
subsection 7a77#a7 t revision ( !       

calculation me?od is necess>y1 ! ,work+ 
,gr\p %all draft a propos$ revision ( ! 
calculation me?od4  7#b7 ,public        
notification & comm5t p]iod ,any propos$
 revision ( ! calculation me?od %all be 
publi%$ 9 ! ,f$]al ,regi/] = a p]iod (  
public comm5t ( n few] ?an #ij days &   
include consultation ) indu/ry gr\ps4   
7#c7 ,effect ( revisions by ,work+ ,gr\p
 ,any revis$ calculation me?od ( ! co/ (
 c>bon dioxide1 ! co/ ( me?ane1 or ! co/
 ( nitr\s oxide develop$ by ! ,work+    
,gr\p "u p>agraph 7#a7 & publi%$ "u     
p>agraph 7#b7 %all sup]s$e ! applicable 
disc\nt rate value ( ! co/ ( c>bon      
dioxide1 ! co/ ( me?ane1 or ! co/ (     
nitr\s oxide "u section #d4  #g4 ,co/s (
 ,gre5h\se ,gases ,sci5tific ,review    
,committee  7a7 ,e/abli%m5t  7#a7 ,9    
g5]al ,n lat] ?an ,janu>y #a1 #bjba1 & n
 less frequ5tly ?an once e #e ye>s      
!reaft]1 ! ,director ( ! ,(fice (       
,managem5t & ,budget1 9 consultation ) !
 ,director ( ! ,(fice ( ,sci5ce &       
,te*nology ,policy & ! ,*air ( ! ,c\ncil

 ( ,economic ,advis]s1 %all e/abli% a   
committee1 to be kn[n z ! ,co/s (       
,gre5h\se ,gases ,sci5tific ,review     
,committee4  7#b7 ,memb]%ip ,! memb]%ip 
( ! ,committee %all consi/ ( n few] ?an 
#aj memb]s1 select$ by ! presid5ts ( !  
,national ,academies ( ,sci5ces1        
,eng9e]+1 & ,m$ic9e1 :o %all repres5t   
sci5tific fields relevant to ! e/imation
 ( ! co/s ( gre5h\se gases1 includ+--   
7,a7 climate sci5ce2  7,b7 climate      
economics2 &  7,c7 decision analysis4   
7#c7 ,duties ,! ,committee %all publi% a
 report 9 :i* ! ,committee %all--  7,a7 
make a recomm5dation to ! ,work+ ,gr\p  
reg>d+ :e!r a revision ( ! calculation  
me?od is necess>y2  7,b7 if ! ,committee
 det]m9es t a revision is necess>y1     
recomm5d sci5tific data & models to be  
us$ by ! ,work+ ,gr\p 9 ! revision ( !  
calculation me?od2  7,c7 provide        
sci5tific advice to ! ,work+ ,gr\p on ! 
revision2 &  7,d7 provide guidance to ! 
,u4,s4 ,global ,*ange ,rese>* ,program )
 respect to ! rese>* necess>y to advance

 ! e/imation ( ! co/s ( gre5h\se gases4 
7b7 ,t]m9ation ,on ! completion ( !     
revision evaluation = :i* ! ,committee  
is e/abli%$1 ! ,committee %all t]m9ate4 
7c7 ,au?orization ( appropriations ,!re 
are au?oriz$ to be appropriat$ su* sums 
z are necess>y to adm9i/] ! ,committee4