1) The IMF projections are based on two big assumptions: that the EU will gradually ease financial conditions in peripheral economies and that the US will prevent the "fiscal cliff" and raise the federal debt ceiling in a timely manner.
2) The IMF projections show global growth of 3.3% in 2012 and 3.6% in 2013, with downside risks.
3) The probability of global growth falling below 2% in 2013, which would be a global recession, has risen to 17% according to the IMF, up from 4% in April 2012.