[[abstract]]There are growing concerns about the health impacts of climate change with ecosystem degradation and global warming, finite reserves of non-renewable energy, water shortages in food-producing regions, limits to contemporary agriculture with its dependence on exhaustible petrochemical nitrogen and rock phosphate fertilizers, and failure of the global financial system. To date, health security has meant attention to safe environments especially water, sanitation and waste disposal; and access to health care and its affordability. Its dependency on food security (safety, sufficiency, sustainability, and satisfactoriness which requires diversity and quality) has been under-estimated because the current and imminent risks have increa...