The World Bank slashed its 2016 global growth forecast on Wednesday (for 5th consecutive year) to 2.4% from the 2.9% estimated in January due to stubbornly low commodity prices, sluggish demand in advanced economies, weak trade and diminishing capital flows. See: World bank cuts global growth on weak demand, commodity prices.
World Bank Development Prospects Director Ayhan Kose weighs in on worrying global trends, commodity markets, outlook for developing economies and global risks. Here is a direct video link.