Greenpeace is urging the European Union to ban genetically modified crops from being used in food sold in the bloc.

The environmental group says genetically modified organisms, or GMOs, pose "unpredictable risks" to both consumers and the environment.

Greenpeace activists climbed the EU headquarters building in Brussels and unfurled a huge yellow banner saying "Stop GMOs!"

Environment ministers from the 27 EU nations plan on Dec. 4 to discuss how to authorize GMO use in the future.

Greenpeace says more research is needed to assess the long-term impact of altered before such crops can by approved for use.

Read More