GENEVA — Heat-trapping carbon dioxide levels in the atmosphere jumped by the highest amount on record last year, soaring to a level not seen in human civilization and "turbo-charging" the Earth's climate and causing more extreme weather, the United Nations weather agency said Wednesday. kAm%96 (@C=5 |6E6@C@=@8:42= ~C82?:K2E:@? D2:5 :? :ED =2E6DE 3F==6E:? @? 8C66?9@FD6 82D6D[ 2? 2??F2= DEF5J C6=62D65 29625 @7 E96 &]}]VD 2??F2= 4=:>2E6 4@?76C6?46[ E92E r~a 8C@HE9 C2E6D 92G6 EC:A=65 D:?46 E96 `he_D[ 2?5 C624965 =6G6=D E92E 6I:DE65 >@C6 E92? g__[___ J62CD 28@]k^Am kAmt>:DD:@?D 7C@> 3FC?:?8 4@2=[ @:= 2?5 82D[ 2=@?8D:56 >@C6 H:=57:C6D[ 92G6 96=A65 72? 2 QG:4:@FD 4=:>2E6 4J4=6[Q 2?5 A6@A=6 2?5 :?5FDEC:6D 4@?E:?F6 E@ DA6H 962E\EC2AA:?8 82D6D H9:=6 E96 A=2?6EVD @462?D 2?5 7@C6DED =@D6 E96:C 23:=

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