GM crops

There have been hundreds of small outdoor trials of GM crops in the UK but only one company, BASF, is actively growing GM crops at present Photograph: Reso/Rex

Currently there are currently no genetically modified crops grown commercially in the UK. Overseas Monsanto dominates the market, producing 90% of GM crops Photograph: David Levene/freelance

Oilseed rape is one of the four main commercial crops that are genetically modified alongside corn, cotton and soy beans. GM versions of other crops, including rice, are being developed Photograph: David Levene/freelance

A farmer displays a handful of GMO (genetically modified organism) soy beans. Soy beans are a common GM crop, with Brazil being the main producer Photograph: Scott Olson/Getty

Genetically modified corn cob being grown near Marmande, France Photograph: Derrick Ceyrac/Getty

A farming technician from Burkina Faso's National Environment and Research Institute inspects transgenic cotton Photograph: Issouf Sanogo/Getty

An environmental campaigner from the direct action group Southern Union of Resistance to Genetic Engineering wears a grim reaper outfit and prepares to destroy GM-modified maize crops at a trial site in Over Compton near Sherborne, Dorset. Picture taken in 2000 Photograph: PA

Protesters on the 'tractors and trolleys' parade and rally in London, in 2003, demonstrate their opposition to GM crops and food Photograph: David Levene/freelance

Anti-GM crop demonstrators rip up trial oilseed rape crops in Warwickshire, Britain Photograph: Nick Cobbing/Rex

Test tubes containing genetically modified crops Photograph: Sipa Press/Rex