Global food security and sovereignty threatened by corporate and government land grabs Written by ArriannaMarie on October 21, 2011. Published in The great land rush Democracy Now investigates corporate farming on a global scale. Tags: corporate farming, food security, land grabs ArriannaMarie Writer. UChicago Grad Student. Novelist-in-Progress. Budding Activist. Researcher. Consultant. Prolific Reader. History Buff. Lover of all things Africa. You can find my blog on human trafficking and development issues in Africa here.