Genetically modified crops and foods are neither safe nor necessary to feed the world, a new report by genetic engineers shows.

The second edition of GMO Myths and Truths, co-authored by genetic engineers Dr John Fagan and Dr Michael Antoniou and researcher Claire Robinson, was released on 19 May 2014 as a free online download by the sustainability and science policy platform Earth Open Source.

The second edition follows the publication two years ago of the first edition, which was downloaded 120,000 times just a few weeks after publication and was read online by several times that many visitors. At 330 pages, the new edition is nearly three times the length of the original and summarizes many new studies.