Singapore ranked by the world Bank as the second most densely populated country of the world, imports more than 90 percent of its food. Singapore produced nearly 22,000 tons of vegetables in 2013, compared with a little more than 17,000 tons in 2004. Last year, it imported 514,574 tons of vegetables.
While Singapore ranks fifth out of 109 countries in the Economist Intelligence Unit's global food security index, the government wants to diversify its food sources and become more self-reliant in producing eggs, fish and leafy vegetables. As part of its efforts, it has provided some funding and research support to local vertical farming company. Sky greens, which grows leafy vegetables at its farm in three-storey high frames inside greenhouses