Which Asian nation, in December 2009, pledged to voluntary reduce its carbon dioxide emissions per unit of GDP by 40-45 per cent of 2005 levels, by 2020?

Which Asian nation, in December 2009, pledged to voluntary reduce its

1.	Which Asian nation, in December 2009, pledged to voluntary reduce its carbon dioxide emissions per unit of GDP by 40-45 per cent of 2005 levels, by 2020?
A.	China
B.	Japan
C.	India
D.	South Korea
Answer» B. Japan