The G20 meetings in Toronto will be marked by competing agendas on global growth and financial regulations. This Backgrounder looks at the range of policy concerns.

An undervalued Chinese yuan remains a contributing factor to the U.S.-China trade imbalance, but experts warn that labeling China a "currency manipulator" will not rein in mounting U.S. deficits.

The UN conference on climate change that begins December 7 in Copenhagen is supposed to produce new targets for emissions reductions, but experts say major countries are at odds on the ultimate goal …