The International Rice Research Institute (IRRI) said in a blog post that "even where the soil is contaminated with a lead spill, a number of studies have shown that rice plants do not take up a significant amount of lead and move it to the grains".

BBC: Study of lead levels in rice under scrutiny

Three of them, in a paper last December for the International Food Policy Research Institute, looked specifically at the prospects for genetically modified rice in India, Indonesia, the Philippines and Bangladesh.

FORBES: Magazine Article